APA استشهاد

Kumar, K. A., & Lal, C. A. (2005). Library classification: Theory and library classification: practical.

استشهاد بنمط شيكاغو

Kumar, K; Author, و C; Author Lal. Library Classification: Theory and Library Classification: Practical. New Delhi, Ess Ess Publications, 2005.

MLA استشهاد

Kumar, K; Author, و C; Author Lal. Library Classification: Theory and Library Classification: Practical. 2005.