Langley, B. C. (1983). Heat pump technology. Reston Pub. Co.
Chicago Style (17th ed.) CitationLangley, Billy C. Heat Pump Technology. Reston, Va: Reston Pub. Co, 1983.
MLA (9th ed.) CitationLangley, Billy C. Heat Pump Technology. Reston Pub. Co, 1983.
Warning: These citations may not always be 100% accurate.