Dyfyniad APA

Goh Cheng Leong & Sundaram, D. (1980). Practical geography. Oxford University Press.

Dyfyniad Arddull Chicago

Goh Cheng Leong and Dickson Sundaram. Practical Geography. Kuala Lumpur: Oxford University Press, 1980.

Dyfyniad MLA

Goh Cheng Leong and Dickson Sundaram. Practical Geography. Oxford University Press, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.