APA

Sharma R. S., . (2006). India's ancient past. New Delhi: Oxford University Press.

Chicago

Sharma R S, . 2006. India's ancient past. New Delhi: Oxford University Press.

Harvard

Sharma R. S., . (2006). India's ancient past. New Delhi: Oxford University Press.

MLA

Sharma R S, . India's ancient past. New Delhi: Oxford University Press. 2006.