APA استشهاد

Sing, K. (2011). Geomorphology and global climate change. Axis publications.

استشهاد بنمط شيكاغو

Sing, K.P. Geomorphology and Global Climate Change. New Delhi: Axis publications, 2011.

MLA استشهاد

Sing, K.P. Geomorphology and Global Climate Change. Axis publications, 2011.