Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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