Citazione Stile APA (7a Edizione)

Leong, G. C. (1975). Certificate physical and human geography (Indian ed., 3. impression.). Oxford Univ. Press.

Citazione stile Chigago Style (17a edizione)

Leong, Goh Cheng. Certificate Physical and Human Geography. Indian ed., 3. impression. Delhi [u.a.]: Oxford Univ. Press, 1975.

Citatione MLA (9a ed.)

Leong, Goh Cheng. Certificate Physical and Human Geography. Indian ed., 3. impression. Oxford Univ. Press, 1975.