APA引文

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

芝加哥风格引文

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

MLA引文

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