Durang, E. F. (1920). Architectural Album of Edwin F. Durang & Son. Philadelphia.
Chicago Style (17th ed.) CitationDurang, Edwin Forrest. Architectural Album of Edwin F. Durang & Son. Philadelphia, 1920.
ציטוט MLADurang, Edwin Forrest. Architectural Album of Edwin F. Durang & Son. Philadelphia, 1920.
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