Walker, C. R., & Walker, A. G. (1962). Modern technology and civilization: An introduction to human problems in the machine age. New York: McGraw-Hill.
Παραπομπή Chicago StyleWalker, Charles R., and Adelaide G. Walker. Modern Technology and Civilization: An Introduction to Human Problems in the Machine Age. New York: McGraw-Hill, 1962.
Παραπομπή MLAWalker, Charles R., and Adelaide G. Walker. Modern Technology and Civilization: An Introduction to Human Problems in the Machine Age. New York: McGraw-Hill, 1962.
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