American National Standards Institute. Committee Y32.4, & American National Standards Institute. Committee Y32.4. (1977). Graphic symbols for plumbing fixtures for diagrams used in architecture and building construction. New York, New York: American Society of Mechanical Engineers.
Chicago Style CitationAmerican National Standards Institute. Committee Y32.4, and American National Standards Institute. Committee Y32.4. Graphic Symbols for Plumbing Fixtures for Diagrams Used in Architecture and Building Construction. New York, New York: American Society of Mechanical Engineers, 1977.
MLA CitationAmerican National Standards Institute. Committee Y32.4, and American National Standards Institute. Committee Y32.4. Graphic Symbols for Plumbing Fixtures for Diagrams Used in Architecture and Building Construction. New York, New York: American Society of Mechanical Engineers, 1977.