APA استشهاد

Somasundaram, D. (2005). Differential geometry: A first course. Narosa Publishing House.

استشهاد بنمط شيكاغو

Somasundaram, D. Differential Geometry: A First Course. New Delhi: Narosa Publishing House, 2005.

MLA استشهاد

Somasundaram, D. Differential Geometry: A First Course. Narosa Publishing House, 2005.