Não informado. (2004). Journal of plumbing, heating and air conditioning. Scott Periodicals.
Chicago-Zitierstil (17. Ausg.)Não informado. Journal of Plumbing, Heating and Air Conditioning. Tarrytown, NY: Scott Periodicals, 2004.
MLA-Zitierstil (8. Ausg.)Não informado. Journal of Plumbing, Heating and Air Conditioning. Scott Periodicals, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.