APA (7th ed.) Citation

Knovel (Firm) & Federation of European Heating and Airconditioning Associations. (2007). Hygiene requirements for ventilation and air-conditioning systems and -units. Rehva, Federation of European Heating and Air-conditioning Associations.

Chicago Style (17th ed.) Citation

Knovel (Firm) and Federation of European Heating and Airconditioning Associations. Hygiene Requirements for Ventilation and Air-conditioning Systems and -units. Brussels [Belgium]: Rehva, Federation of European Heating and Air-conditioning Associations, 2007.

MLA (9th ed.) Citation

Knovel (Firm) and Federation of European Heating and Airconditioning Associations. Hygiene Requirements for Ventilation and Air-conditioning Systems and -units. Rehva, Federation of European Heating and Air-conditioning Associations, 2007.