MARCUS, S. H., & MARCUS, S. H. (1977). Basics Of Steel Design Samuel H. Marcus. Reston Publishing Company.
Lua i Stíl Chicago (17ú heag.)MARCUS, Samuel H., agus Samuel H. MARCUS. Basics Of Steel Design Samuel H. Marcus. Reston Publishing Company, 1977.
Lua MLA (8ú heag.)MARCUS, Samuel H., agus Samuel H. MARCUS. Basics Of Steel Design Samuel H. Marcus. Reston Publishing Company, 1977.
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