APA (7th ed.) Zitazioa
ebrary, Inc, & Reddy, K. J. (2010). Coalbed natural gas: Energy and environment. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta K. J. Reddy. Coalbed Natural Gas: Energy and Environment. New York: Nova Science Publishers, 2010.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta K. J. Reddy. Coalbed Natural Gas: Energy and Environment. Nova Science Publishers, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.