Adler, P. J., & Pouwels, R. L. (2008). World civilizations (5th ed.). Thomson Wadsworth.
Chicago Style (17th ed.) CitationAdler, Philip J., and Randall Lee Pouwels. World Civilizations. 5th ed. Boston: Thomson Wadsworth, 2008.
MLA (8th ed.) CitationAdler, Philip J., and Randall Lee Pouwels. World Civilizations. 5th ed. Thomson Wadsworth, 2008.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.