Lua APA (7ú heag.)

UGURAL, A. C. Advanced Strenght and Applied Elasticity. Prentice Hall.

Lua i Stíl Chicago (17ú heag.)

UGURAL, Ansel C. Advanced Strenght and Applied Elasticity. Prentice Hall.

Lua MLA (8ú heag.)

UGURAL, Ansel C. Advanced Strenght and Applied Elasticity. Prentice Hall.

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