Morrow, H. W., & Kokernak, R. P. (2007). Statics and strength of materials (Sixth edition.). Pearson/Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Morrow, H. W., agus Robert P. Kokernak. Statics and Strength of Materials. Sixth edition. Upper Saddle River, N.J: Pearson/Prentice Hall, 2007.
Lua MLA (8ú heag.)Morrow, H. W., agus Robert P. Kokernak. Statics and Strength of Materials. Sixth edition. Pearson/Prentice Hall, 2007.
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