Anderson, Edwin P. 1976. Audels: Home Refrigeration and Air Conditioning. Bombay: D. B. Taraporevala Sons & Co. PVT. LTD.
Althouse, Andrew D., Turnquist, Carl H., & Bracciano, Alfred F. 1975. Modern Refrigeration and Air Conditioning. Illinois: The Goodheart-Willcox Company, Inc. Publishers.
As'ad, Moh. 1995. Seri Ilmu Sumber Daya Manusia: Psikologi Industri, Edisi Keempat. Yogyakarta: Liberty.
Donaldson, Les & Scannell, Edward E. 1993. Pengembangan Sumber Daya Manusia: Panduan bagi Pelatih Pemula (Terjemahan Moh. Ya'kub Suyuti dan Eno Syafrudin). Jakarta: Gaya Media Pratama.
Langley, B. C. 1974. Electric Controls for Refrigeration and Air Conditioning. New Jersey: Prentice-Hall, Inc.
Oemar Hamalik. 1990. Pendidikan Tenaga Kerja Nasional: Kejuruan, Kewiraswastaan, dan Manajemen. Bandung: PT Citra Aditya Bakti.
Reed, G. H. 1978. Refrigeration: A Practical Manual for Apprentices. Blue Ridge Summit: Tab Books, Inc.