APA استشهاد

Mahapatra, G. B. (2006). Text book of Geology. CBS Publishers.

استشهاد بنمط شيكاغو

Mahapatra, Girija Bhushan. Text Book of Geology. India: CBS Publishers, 2006.

MLA استشهاد

Mahapatra, Girija Bhushan. Text Book of Geology. CBS Publishers, 2006.