Wallbank , W. T., & Taylor, A. M. (1949). Civilization: Past and present (4th ed.). Scott, Foresman and company.
Chicago Style (17. basım) AtıfWallbank , Walter T., ve Alastair M. Taylor. Civilization: Past and Present. 4th ed. Chicago: Scott, Foresman and company, 1949.
MLA (9th ed.) AtıfWallbank , Walter T., ve Alastair M. Taylor. Civilization: Past and Present. 4th ed. Scott, Foresman and company, 1949.
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