Gaya APA

M., H, R. (1961). Case Studies in World Geography : Occupance and Economy Types (Cetakan Pertama). Englewood: Prentice Hall, Inc.

Gaya MLA

M., Highsmith, Richard. "Case Studies in World Geography : Occupance and Economy Types". Cetakan Pertama Englewood: Prentice Hall, Inc, 1961. Text.