APA (7e ed.) Bronvermelding

Craf, J. R. (1952). Economic development of the United States. McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Craf, John Riley. Economic Development of the United States. New York: McGraw-Hill, 1952.

MLA (9e ed.) Bronvermelding

Craf, John Riley. Economic Development of the United States. McGraw-Hill, 1952.