Παραπομπή APA

Ranganathan, S. R. (1960). Colon classification (Ed.6.).

Παραπομπή Chicago Style

Ranganathan, S R. Colon Classification. Ed.6. Bangalore, Sarada Ranganathan Endowment for Library science, 1960.

Παραπομπή MLA

Ranganathan, S R. Colon Classification. Ed.6. 1960.