Styl cytowania APA

Sinha, R., & Sharma, N. (1970). Mineral economics: A textbook for university students. Oxford and IBH Publishing Co.

Styl cytowania Chicago

Sinha, R.K, i N.L Sharma. Mineral Economics: A Textbook for University Students. New Delhi: Oxford and IBH Publishing Co, 1970.

Styl cytowania MLA

Sinha, R.K, i N.L Sharma. Mineral Economics: A Textbook for University Students. Oxford and IBH Publishing Co, 1970.