American Standards Association, & American Standards Association. (1953). Graphical symbols for heating, ventilating and air conditioning. New York, New York: American Society of Mechanical Engineers.
Citación estilo ChicagoAmerican Standards Association, y American Standards Association. Graphical Symbols for Heating, Ventilating and Air Conditioning. New York, New York: American Society of Mechanical Engineers, 1953.
Cita MLAAmerican Standards Association, y American Standards Association. Graphical Symbols for Heating, Ventilating and Air Conditioning. New York, New York: American Society of Mechanical Engineers, 1953.
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