Chisholm, M. (1966). Geography and Economics. Federick A.Praeger.
Chicago Style (17th ed.) ZitazioaChisholm, Michael. Geography and Economics. New York: Federick A.Praeger, 1966.
MLA (9th ed.) ZitazioaChisholm, Michael. Geography and Economics. Federick A.Praeger, 1966.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.