APA (7e ed.) Bronvermelding

Bengtson, N. A. (1950). Fundamentals of economic geography (3rd ed.). Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Bengtson, Nels August. Fundamentals of Economic Geography. 3rd ed. New York: Prentice-Hall, 1950.

MLA (9e ed.) Bronvermelding

Bengtson, Nels August. Fundamentals of Economic Geography. 3rd ed. Prentice-Hall, 1950.

Let op: Deze citaties zijn niet altijd 100% accuraat.