Harper Collins Publishers, Johnson, J. E., & Salmon, C. G. (1990). Steel structures: Design and behavior emphasizing load and resistance factor design (3rd ed.). Harper Collins Publishers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Harper Collins Publishers, John E. Johnson, και Charles G. Salmon. Steel Structures: Design and Behavior Emphasizing Load and Resistance Factor Design. 3rd ed. New York: Harper Collins Publishers, 1990.
Παραπομπή σε μορφή MLA (8th εκδ.)Harper Collins Publishers, et al. Steel Structures: Design and Behavior Emphasizing Load and Resistance Factor Design. 3rd ed. Harper Collins Publishers, 1990.
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