Hool, G. A., Johnson, N. C., Hollister, S. C., & Whipple, H. (1918). Concrete engineers' handbook: Data for the design and construction of plain and reinforced concrete structures. New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleHool, George Albert, Nathan Clarke Johnson, Solomon Cady Hollister, and Harvey Whipple. Concrete Engineers' Handbook: Data for the Design and Construction of Plain and Reinforced Concrete Structures. New York: McGraw-Hill Book Company, 1918.
Παραπομπή MLAHool, George Albert, Nathan Clarke Johnson, Solomon Cady Hollister, and Harvey Whipple. Concrete Engineers' Handbook: Data for the Design and Construction of Plain and Reinforced Concrete Structures. New York: McGraw-Hill Book Company, 1918.
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