Παραπομπή APA

Gopinanth,M.A. (1986). Construction of depth version of colon classification: A manual. Wiley eastern.

Παραπομπή Chicago Style

Gopinanth,M.A. Construction of Depth Version of Colon Classification: A Manual. New delhi: Wiley eastern, 1986.

Παραπομπή MLA

Gopinanth,M.A. Construction of Depth Version of Colon Classification: A Manual. Wiley eastern, 1986.