Παραπομπή APA

Sharma, R. S. (1990). Ancient India: A history textbook for class XI. NCERT.

Παραπομπή Chicago Style

Sharma, Ram Sharan. Ancient India: A History Textbook for Class XI. New Delhi: NCERT, 1990.

Παραπομπή MLA

Sharma, Ram Sharan. Ancient India: A History Textbook for Class XI. NCERT, 1990.