Hepler, D. E., & Wallach, P. R. (1982). Architecture: Drafting and design (4th ed.). McGraw-Hill.
Chicago Style (17th ed.) CitationHepler, Donald E., and Paul Ross Wallach. Architecture: Drafting and Design. 4th ed. New York: McGraw-Hill, 1982.
MLA (9th ed.) CitationHepler, Donald E., and Paul Ross Wallach. Architecture: Drafting and Design. 4th ed. McGraw-Hill, 1982.
Warning: These citations may not always be 100% accurate.