Παραπομπή APA

Ranganathan, S. (2006). Philosophy of library classification. Ess Ess Publicaions.

Παραπομπή Chicago Style

Ranganathan, S.R. Philosophy of Library Classification. New Delhi: Ess Ess Publicaions, 2006.

Παραπομπή MLA

Ranganathan, S.R. Philosophy of Library Classification. Ess Ess Publicaions, 2006.