APA (7th ed.) Zitazioa
Singh, S. (2017). Refrigeration and air-conditioning. Khanna Book Publishing Co.
Chicago Style (17th ed.) Zitazioa
Singh, Sadhu. Refrigeration and Air-conditioning. New Delhi: Khanna Book Publishing Co, 2017.
MLA (9th ed.) Zitazioa
Singh, Sadhu. Refrigeration and Air-conditioning. Khanna Book Publishing Co, 2017.
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