एपीए उद्धरण

J K Chopra. (2013). Political science reference book for BA and MA. Unique publishers.

शिकागो स्टाइल उद्धरण

J K Chopra. Political Science Reference Book for BA and MA. New Delhi: Unique publishers, 2013.

एमएलए उद्धरण

J K Chopra. Political Science Reference Book for BA and MA. Unique publishers, 2013.