Παραπομπή APA

Hunter, E. J. (2009). Classification made simple: An introduction to knowledge organisation and information retrieval (3rd ed.). Ashgate.

Παραπομπή Chicago Style

Hunter, Eric J. Classification Made Simple: An Introduction to Knowledge Organisation and Information Retrieval. 3rd ed. Farnham: Ashgate, 2009.

Παραπομπή MLA

Hunter, Eric J. Classification Made Simple: An Introduction to Knowledge Organisation and Information Retrieval. 3rd ed. Ashgate, 2009.