Citazione Stile APA (7a Edizione)

LEVENHAGEN, J. I. (1999). HVAC control system design diagrams. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

LEVENHAGEN, John I. HVAC Control System Design Diagrams. New York: McGraw-Hill, 1999.

Citatione MLA (9a ed.)

LEVENHAGEN, John I. HVAC Control System Design Diagrams. McGraw-Hill, 1999.