Singer, F. L. (1975). Engineering mechanics: Statics and dynamics (3rd ed.). Harper & Brothers.
Lua i Stíl Chicago (17ú heag.)Singer, Ferdinand Leon. Engineering Mechanics: Statics and Dynamics. 3rd ed. New York: Harper & Brothers, 1975.
Lua MLA (9ú heag.)Singer, Ferdinand Leon. Engineering Mechanics: Statics and Dynamics. 3rd ed. Harper & Brothers, 1975.
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