Sharma, Y. D. (1990). Delhi and its neighbourhood (2nd ed.). Director General, Archaeological Survey of India.
Chicago-referens (17:e uppl.)Sharma, Y. D. Delhi and Its Neighbourhood. 2nd ed. New Delhi: Director General, Archaeological Survey of India, 1990.
MLA-referens (9:e uppl.)Sharma, Y. D. Delhi and Its Neighbourhood. 2nd ed. Director General, Archaeological Survey of India, 1990.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.