APA aipamena

Nigam, B., & Sharma, S. (1993). Principles and methods of comparative educational system. Kanishka Publishers Distributors.

Chicago Style aipamena

Nigam, Bk, and Sr Sharma. Principles and Methods of Comparative Educational System. Delhi: Kanishka Publishers Distributors, 1993.

MLA aipamena

Nigam, Bk, and Sr Sharma. Principles and Methods of Comparative Educational System. Kanishka Publishers Distributors, 1993.