APA Style
HVAC Duct System Design Tables & Charts. (1977).
Virginia:
SMACNA.
Chicago Style
HVAC Duct System Design Tables & Charts.
.
Virginia:
SMACNA,
1977.
Text.
MLA Style
HVAC Duct System Design Tables & Charts.
.
Virginia:
SMACNA,
1977.
Text.
Turabian Style
HVAC Duct System Design Tables & Charts.
Virginia:
SMACNA,
1977.
Print.