Não informado. (2019). The Heating and Ventilating Magazine. Heating and Ventilating Magazine.
Chicago-Zitierstil (17. Ausg.)Não informado. The Heating and Ventilating Magazine. New York: Heating and Ventilating Magazine, 2019.
MLA-Zitierstil (8. Ausg.)Não informado. The Heating and Ventilating Magazine. Heating and Ventilating Magazine, 2019.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.