APA Citation

(2020). HVAC duct construction standards: Metal and flexible (4th edition.). Vienna, Va: Sheet Metal and Air-Conditioning Contractor's National Association.

Chicago Style Citation

HVAC Duct Construction Standards: Metal and Flexible. 4th edition. Vienna, Va: Sheet Metal and Air-Conditioning Contractor's National Association, 2020.

MLA Citation

HVAC Duct Construction Standards: Metal and Flexible. 4th edition. Vienna, Va: Sheet Metal and Air-Conditioning Contractor's National Association, 2020.

Warning: These citations may not always be 100% accurate.