Swain, . J. E. (1947). A history of world civilization. (2nd ed.). McGraw-Hill,.
Chicago (17e ed.) BronvermeldingSwain, James Edgar. A History of World Civilization. 2nd ed. New York,: McGraw-Hill,, 1947.
MLA (9e ed.) BronvermeldingSwain, James Edgar. A History of World Civilization. 2nd ed. McGraw-Hill,, 1947.
Let op: Deze citaties zijn niet altijd 100% accuraat.