Whildin, J. K. (1867). Memoranda on the strength of materials used in engineering construction (2d ed.). D. Van Nostrand.
Lua i Stíl Chicago (17ú heag.)Whildin, Joseph K. Memoranda on the Strength of Materials Used in Engineering Construction. 2d ed. New York: D. Van Nostrand, 1867.
Lua MLA (8ú heag.)Whildin, Joseph K. Memoranda on the Strength of Materials Used in Engineering Construction. 2d ed. D. Van Nostrand, 1867.
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