Lua APA (7ú heag.)
Khurmi, R., & Gupta, J. (2004). A Text Book of Refrigeration and Air Conditioning. Ekurasia.
Lua i Stíl Chicago (17ú heag.)
Khurmi, R.S, agus J.K Gupta. A Text Book of Refrigeration and Air Conditioning. New Delhi: Ekurasia, 2004.
Lua MLA (9ú heag.)
Khurmi, R.S, agus J.K Gupta. A Text Book of Refrigeration and Air Conditioning. Ekurasia, 2004.
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