Howell, R. H. (2013). Principles of heating ventilating and air conditioning, 7th edition (7th ed.). ASHRAE.
Chicago-Zitierstil (17. Ausg.)Howell, Ronald H. Principles of Heating Ventilating and Air Conditioning, 7th Edition. 7th ed. Atlanta, GA: ASHRAE, 2013.
MLA-Zitierstil (9. Ausg.)Howell, Ronald H. Principles of Heating Ventilating and Air Conditioning, 7th Edition. 7th ed. ASHRAE, 2013.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.