P L Ballaney & P.L Ballaney. (1993). Refrigeration and air conditioning (4.). Khanna Publishers.
Chicago Edition CitationP L Ballaney and P.L Ballaney. Refrigeration and Air Conditioning. 4. Khanna Publishers, 1993.
MLA Edition CitationP L Ballaney and P.L Ballaney. Refrigeration and Air Conditioning. 4. Khanna Publishers, 1993.
Warning: These citations may not always be 100% accurate.