APA (7th ed.) Citation

Zakaria Awang Soh. (1980). Post-certificate practical geography (Rev. ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Zakaria Awang Soh. Post-certificate Practical Geography. Rev. ed. Singapore: Oxford University Press, 1980.

MLA (9th ed.) Citation

Zakaria Awang Soh. Post-certificate Practical Geography. Rev. ed. Oxford University Press, 1980.