एपीए उद्धरण

Leong, G. C., & Morgan,Gillian C. (1982). Human and economic geography (2nd.). OUP.

शिकागो स्टाइल उद्धरण

Leong, Goh Cheng, और Morgan,Gillian C. Human and Economic Geography. 2nd. Oxford: OUP, 1982.

एमएलए उद्धरण

Leong, Goh Cheng, और Morgan,Gillian C. Human and Economic Geography. 2nd. OUP, 1982.