APA (7e ed.) Bronvermelding

Oey, E. M. (1996). Sumatra: Island of adventure ([2nd ed.].). Passport Books.

Chicago (17e ed.) Bronvermelding

Oey, Eric M. Sumatra: Island of Adventure. [2nd ed.]. Lincolnwood, Ill: Passport Books, 1996.

MLA (9e ed.) Bronvermelding

Oey, Eric M. Sumatra: Island of Adventure. [2nd ed.]. Passport Books, 1996.