Air Conditioning Contractors of America, PHCC Educational Foundation, & Refrigeration Service Engineers Society. (2009). HVACR 201. Delmar Cengage Learning.
Citace podle Chicago (17th ed.)Air Conditioning Contractors of America, PHCC Educational Foundation, a Refrigeration Service Engineers Society. HVACR 201. Clifton Park, New York: Delmar Cengage Learning, 2009.
Citace podle MLA (9th ed.)Air Conditioning Contractors of America, et al. HVACR 201. Delmar Cengage Learning, 2009.
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