Παραπομπή APA

Dhiman,, A. K. (2005). Learn information and reference sources and services. Ess Ess.

Παραπομπή Chicago Style

Dhiman,, Anil K. Learn Information and Reference Sources and Services. New Delhi: Ess Ess, 2005.

Παραπομπή MLA

Dhiman,, Anil K. Learn Information and Reference Sources and Services. Ess Ess, 2005.