APA استشهاد

Vishwas, S. K., & Avijit, G. (2001). Introduction to geomorphology. Orient Longman.

استشهاد بنمط شيكاغو

Vishwas, S. Kale, و Gupta Avijit. Introduction to Geomorphology. Hyderabad: Orient Longman, 2001.

MLA استشهاد

Vishwas, S. Kale, و Gupta Avijit. Introduction to Geomorphology. Orient Longman, 2001.