Norris, C. H., Wilbur, B., & Utku, S. (1976). Elementary structural analysis. Merriam School & Office Supplies.
Chicago Style (17. basım) AtıfNorris, Charles Head, Benson Wilbur, ve Senol Utku. Elementary Structural Analysis. Manila: Merriam School & Office Supplies, 1976.
MLA (9th ed.) AtıfNorris, Charles Head, et al. Elementary Structural Analysis. Merriam School & Office Supplies, 1976.
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