Παραπομπή APA

Ranganathan S R. (1960). Colon classification. Sarada Ranganathan Endowment.

Παραπομπή Chicago Style

Ranganathan S R. Colon Classification. Bangalore: Sarada Ranganathan Endowment, 1960.

Παραπομπή MLA

Ranganathan S R. Colon Classification. Sarada Ranganathan Endowment, 1960.