The Bibliography is the search, identification, description and classification of printed documents, in order to establish a reference appropriate to facilitate intellectual work.1

The bibliography2 is to search for materials by consulting the sources of information, identifying themselves by verifying their existence and the analysis of each document and its description, by adopting a particular policy.

The scheme of Pensato3 reflects the process of developing a reference, organized into three levels:

  • cultural or preliminary,
  • technical, or methodology and techniques of bibliographic work and
  • typographical-publishing, as its printed representation.

Or expressed in other words, we must plan, compiling and presenting the reference4 .

The model proposed by Pensato can be summarized5 as follows

  1. Elaboration and delineation of the object
  2. Search and collected material
  3. Identification and weighting of the collected material
  4. Choosing the method of the document, its range of references and annotations.
  5. Indexation
  6. Formal presentation and printing.

“The quality of the work of one machine is always the result of the technic or specialist that feed it. The search for basic documents, their choice, their analysis, the ranking criteria [used], constitute the major part of the bibliographic work that no electronic brain can make.” 6


  1. Malclès,L-N. Manuel de Bibliographie. Presses Universitaires de France. Paris 1985)
  2. Moll, J. La bibliografía en la investigación literaria en Métodos de estudio de la obra literaria de J. M. Díaz. Editorial Taurus. Madrid 1985.
  3. Pensato, R. Corso do Bibliografia Guida alla compilaziones e all’uso dei repertori bibliografici. Editrecie Bibliográfica. Milano 1987.
  4. Villaseñor, I. Las fuentes de información (II) en Manual de Información y Documentación de J. López Yepes. Editorial Pirámide. Madrid 1996.
  5. Simón Díaz, J. La bibliografía concepto y aplicaciones. Editorial Planeta. Barcelona 1971.
  6. de Torres Ramírez, I. Las fuentes de información. Metodología del repertorio bibliográfico en Manual de Ciencias de la Documentación de J. López Yepes. Editorial Pirámide. Madrid 2006.