Goff, R. D., Cassar, G. H., Esler, A., Holoka, J. P., & Waltz, J. C. (1987). A survey of western civilization. West Publishing Company.
Lua i Stíl Chicago (17ú heag.)Goff, Richard D., George H. Cassar, Antony Esler, James P. Holoka, agus James C. Waltz. A Survey of Western Civilization. New York: West Publishing Company, 1987.
Lua MLA (9ú heag.)Goff, Richard D., et al. A Survey of Western Civilization. West Publishing Company, 1987.
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