American Standards Association, & American Standards Association. (1953). Graphical symbols for heating, ventilating and air conditioning. New York, New York: American Society of Mechanical Engineers.
Chicago Style CitationAmerican Standards Association, and American Standards Association. Graphical Symbols for Heating, Ventilating and Air Conditioning. New York, New York: American Society of Mechanical Engineers, 1953.
MLA CitationAmerican Standards Association, and American Standards Association. Graphical Symbols for Heating, Ventilating and Air Conditioning. New York, New York: American Society of Mechanical Engineers, 1953.
Warning: These citations may not always be 100% accurate.