Cai, J. (1990). Structural Mechanics J.a Cain And R. Hulse. Macmillan.
Lua i Stíl Chicago (17ú heag.)Cai, J.A. Structural Mechanics J.a Cain And R. Hulse. Macmillan, 1990.
Lua MLA (8ú heag.)Cai, J.A. Structural Mechanics J.a Cain And R. Hulse. Macmillan, 1990.
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