Schnubel Mark. (2004). Today's Technician Classroom Manual for: Automotive Heating & Air Conditioning-3rd edition (Tái bản lần thứ 3.). American: Thomson Delmar Learning.
शिकागो स्टाइल उद्धरणSchnubel Mark. Today's Technician Classroom Manual For: Automotive Heating & Air Conditioning-3rd Edition. Tái bản lần thứ 3. American: Thomson Delmar Learning, 2004.
एमएलए उद्धरणSchnubel Mark. Today's Technician Classroom Manual For: Automotive Heating & Air Conditioning-3rd Edition. Tái bản lần thứ 3. American: Thomson Delmar Learning, 2004.
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