APA-viite

Harris,Seymour E. (1957). International and interregional economics. McGraw Hill.

Chicago-tyylinen lähdeviittaus

Harris,Seymour E. International and Interregional Economics. New York: McGraw Hill, 1957.

MLA-viite

Harris,Seymour E. International and Interregional Economics. McGraw Hill, 1957.