APA (7th ed.) Zitazioa
Lang, V. P. (1979). Principles of air conditioning (3th ed.). CBS Publishers.
Chicago Style (17th ed.) Zitazioa
Lang, V. Paul. Principles of Air Conditioning. 3th ed. New Delhi: CBS Publishers, 1979.
MLA (9th ed.) Zitazioa
Lang, V. Paul. Principles of Air Conditioning. 3th ed. CBS Publishers, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.