APA (7e ed.) Bronvermelding
Wills, F. R. (1982). World Civilizations: From ancient times through the sixteenth century. D.C. Hearth and Company.
Chicago (17e ed.) Bronvermelding
Wills, F. Roy. World Civilizations: From Ancient Times Through the Sixteenth Century. Lexington, Massachusetts: D.C. Hearth and Company, 1982.
MLA (9e ed.) Bronvermelding
Wills, F. Roy. World Civilizations: From Ancient Times Through the Sixteenth Century. D.C. Hearth and Company, 1982.
Let op: Deze citaties zijn niet altijd 100% accuraat.