APA-referens

Sinha, R. (1975). Introduction to geology. Vikas Publishing House Pvt. Ltd.

Chicago-stil citat

Sinha, R.K. Introduction to Geology. Delhi: Vikas Publishing House Pvt. Ltd, 1975.

MLA-referens

Sinha, R.K. Introduction to Geology. Vikas Publishing House Pvt. Ltd, 1975.