Perry, J. A., & Perry, E. (1991). Contemporary society: An introduction to social science (6th ed.). Harper & Row.
Chicago Style (17th ed.) CitationPerry, John A., and Erna Perry. Contemporary Society: An Introduction to Social Science. 6th ed. New York: Harper & Row, 1991.
MLA (8th ed.) CitationPerry, John A., and Erna Perry. Contemporary Society: An Introduction to Social Science. 6th ed. Harper & Row, 1991.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.