Lua APA (7ú heag.)

Young, B. W. (1981). Energy methods of structural analysis: Theory, worked examples and problems. Macmillan.

Lua i Stíl Chicago (17ú heag.)

Young, B. W. Energy Methods of Structural Analysis: Theory, Worked Examples and Problems. London: Macmillan, 1981.

Lua MLA (9ú heag.)

Young, B. W. Energy Methods of Structural Analysis: Theory, Worked Examples and Problems. Macmillan, 1981.

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