एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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