Hegemann, W., & Peets, E. (1922). The American Vitruvius: An architects' handbook of civic art. New York: The Architectural Book Publishing.
Παραπομπή Chicago StyleHegemann, Werner, and Elbert Peets. The American Vitruvius: An Architects' Handbook of Civic Art. New York: The Architectural Book Publishing, 1922.
Παραπομπή MLAHegemann, Werner, and Elbert Peets. The American Vitruvius: An Architects' Handbook of Civic Art. New York: The Architectural Book Publishing, 1922.
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