Air Conditioning Contractors of America, PHCC Educational Foundation, & Refrigeration Service Engineers Society. (2009). HVACR 201. Delmar Cengage Learning.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Air Conditioning Contractors of America, PHCC Educational Foundation, ба Refrigeration Service Engineers Society. HVACR 201. Clifton Park, New York: Delmar Cengage Learning, 2009.
MLA -ийн эшлэл (9 дэх хэвлэлт)Air Conditioning Contractors of America, et al. HVACR 201. Delmar Cengage Learning, 2009.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.