Walker, C. R., & Walker, A. G. (1962). Modern Technology And Civilization An Introduction To Human Problems In The Machine Age (1. Edisyon.). Mcgraw-Hill.
Chicago Style (17. basım) AtıfWalker, C. R., ve A. G. Walker. Modern Technology And Civilization An Introduction To Human Problems In The Machine Age. 1. Edisyon. New York: Mcgraw-Hill, 1962.
MLA (9th ed.) AtıfWalker, C. R., ve A. G. Walker. Modern Technology And Civilization An Introduction To Human Problems In The Machine Age. 1. Edisyon. Mcgraw-Hill, 1962.
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