Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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