एपीए उद्धरण

(1987). Heating, ventilation and air-conditioning systens and applications. Americal society of heating,refrigerating and air conditioning.

शिकागो स्टाइल उद्धरण

Heating, Ventilation and Air-conditioning Systens and Applications. Atlasnta: Americal society of heating,refrigerating and air conditioning, 1987.

एमएलए उद्धरण

Heating, Ventilation and Air-conditioning Systens and Applications. Americal society of heating,refrigerating and air conditioning, 1987.