Tohutoro APA (7th ed.)
Reddy, J. Energy Principles and Variational Methods in Applied Mechanics (2a edición.). Wiley.
Tohutoru Kātū Chicago (17th ed.)
Reddy, J.N. Energy Principles and Variational Methods in Applied Mechanics. 2a edición. Nueva York, EUA: Wiley.
Tohutoro MLA (9th ed.)
Reddy, J.N. Energy Principles and Variational Methods in Applied Mechanics. 2a edición. Wiley.
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