Parker, H. (1953). Simplified design of roof trusses for architects and builders (2nd ed.). New York: John Wiley & Sons.
Παραπομπή Chicago StyleParker, Harry. Simplified Design of Roof Trusses for Architects and Builders. 2nd ed. New York: John Wiley & Sons, 1953.
Παραπομπή MLAParker, Harry. Simplified Design of Roof Trusses for Architects and Builders. 2nd ed. New York: John Wiley & Sons, 1953.
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