APA (7th ed.) Zitazioa
ebrary, Inc, & Alcântara, E. H. d. (2012). Energy resources: Development, distribution and exploitation. Nova Science Publishers.
Chicago Style (17th ed.) Zitazioa
ebrary, Inc, eta Enner Herenio de Alcântara. Energy Resources: Development, Distribution and Exploitation. New York: Nova Science Publishers, 2012.
MLA (9th ed.) Zitazioa
ebrary, Inc, eta Enner Herenio de Alcântara. Energy Resources: Development, Distribution and Exploitation. Nova Science Publishers, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.