एपीए उद्धरण

Bingham,Robert C. (1966). Economic concepts: Programmed approach. McGraw Hill.

शिकागो स्टाइल उद्धरण

Bingham,Robert C. Economic Concepts: Programmed Approach. McGraw Hill, 1966.

एमएलए उद्धरण

Bingham,Robert C. Economic Concepts: Programmed Approach. McGraw Hill, 1966.