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