Gaya APA

Gladstone, J., Bevirt, W, D. (1996). HVAC testing, adjusting, and balancing manual. 3th ed. (3). Boston, Massachusetts: McGraw-Hill.

Gaya MLA

Gladstone, John., Bevirt, W., David. "HVAC testing, adjusting, and balancing manual. 3th ed.". 3 Boston, Massachusetts: McGraw-Hill, 1996. Text.