Sowers, G. B., & Sowers, G. F. (1970). Introductory soil mechanics and foundations (3d ed.). New York: The Macmillan Company.
Παραπομπή Chicago StyleSowers, George B., and George F. Sowers. Introductory Soil Mechanics and Foundations. 3d ed. New York: The Macmillan Company, 1970.
Παραπομπή MLASowers, George B., and George F. Sowers. Introductory Soil Mechanics and Foundations. 3d ed. New York: The Macmillan Company, 1970.
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