APA Style
LEVENHAGEN, John I.; SPETHMANN, Donald H.. (1993).
HVAC Controls and Systems .
New York:
McGraw Hill.
Chicago Style
LEVENHAGEN, John I.; SPETHMANN, Donald H..
HVAC Controls and Systems.
New York:
McGraw Hill,
1993.
Text.
MLA Style
LEVENHAGEN, John I.; SPETHMANN, Donald H..
HVAC Controls and Systems.
New York:
McGraw Hill,
1993.
Text.
Turabian Style
LEVENHAGEN, John I.; SPETHMANN, Donald H..
HVAC Controls and Systems.
New York:
McGraw Hill,
1993.
Print.