APA استشهاد

Ranganathan, S. R. (1960). Colon classification (6.). Sarada Ranganathan Endowment.

استشهاد بنمط شيكاغو

Ranganathan, S R. Colon Classification. 6. Bangalore: Sarada Ranganathan Endowment, 1960.

MLA استشهاد

Ranganathan, S R. Colon Classification. 6. Sarada Ranganathan Endowment, 1960.