Harrison, J. B., & Sullivan, R. E. (1979). A short history of western civilization (5th ed.). Alfred A. Knopt.
Lua i Stíl Chicago (17ú heag.)Harrison, John B., agus Richard E. Sullivan. A Short History of Western Civilization. 5th ed. New York: Alfred A. Knopt, 1979.
Lua MLA (9ú heag.)Harrison, John B., agus Richard E. Sullivan. A Short History of Western Civilization. 5th ed. Alfred A. Knopt, 1979.
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