APA (7e ed.) Bronvermelding

(1968). Region Conomics: A study in the economic structure, stability, and growth of regions. Mcgraw-Hill.

Chicago (17e ed.) Bronvermelding

Region Conomics: A Study in the Economic Structure, Stability, and Growth of Regions. New York: Mcgraw-Hill, 1968.

MLA (9e ed.) Bronvermelding

Region Conomics: A Study in the Economic Structure, Stability, and Growth of Regions. Mcgraw-Hill, 1968.