एपीए उद्धरण

Gopal Krishan. (2006). Map Series 4 India: The 100 Poorest Districts, 2001.

शिकागो स्टाइल उद्धरण

Gopal Krishan. Map Series 4 India: The 100 Poorest Districts, 2001. MAN AND DEVELOPMENT, 2006.

एमएलए उद्धरण

Gopal Krishan. Map Series 4 India: The 100 Poorest Districts, 2001. 2006.