Παραπομπή APA

Kochar, R. S., & Sudarshan, K. N. (1997). Theories and principles of librarianship. APH Publishing Corporation.

Παραπομπή Chicago Style

Kochar, R. S., και K. N. Sudarshan. Theories and Principles of Librarianship. New Delhi: APH Publishing Corporation, 1997.

Παραπομπή MLA

Kochar, R. S., και K. N. Sudarshan. Theories and Principles of Librarianship. APH Publishing Corporation, 1997.