APA استشهاد

Sukhbir Singh. (2001). History of Political thought. Volume.1. Rastogi publications.

استشهاد بنمط شيكاغو

Sukhbir Singh. History of Political Thought. Volume.1. Meerut: Rastogi publications, 2001.

MLA استشهاد

Sukhbir Singh. History of Political Thought. Volume.1. Rastogi publications, 2001.