एपीए उद्धरण

Gopal Lal Jain. (2003). Research methodology: Methods tools and techniques (2nd ed.). Mangal deep publications.

शिकागो स्टाइल उद्धरण

Gopal Lal Jain. Research Methodology: Methods Tools and Techniques. 2nd ed. Jaipur: Mangal deep publications, 2003.

एमएलए उद्धरण

Gopal Lal Jain. Research Methodology: Methods Tools and Techniques. 2nd ed. Mangal deep publications, 2003.