एपीए उद्धरण

Isard, W. (1975). Introduction to regional science. Prentice-Hall of India.

शिकागो स्टाइल उद्धरण

Isard, Walter. Introduction to Regional Science. New Jersey: Prentice-Hall of India, 1975.

एमएलए उद्धरण

Isard, Walter. Introduction to Regional Science. Prentice-Hall of India, 1975.