एपीए उद्धरण

Nambiar, M. (1978). Outline of commercial geography/4e (4th ed.). Kamalalayam.

शिकागो स्टाइल उद्धरण

Nambiar, M.C.K. Outline of Commercial Geography/4e. 4th ed. Cannanore: Kamalalayam, 1978.

एमएलए उद्धरण

Nambiar, M.C.K. Outline of Commercial Geography/4e. 4th ed. Kamalalayam, 1978.