APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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