APA (7th ed.) Zitazioa
Bahgat, G. (2011). Energy security: An interdisciplinary approach. Wiley.
Chicago Style (17th ed.) Zitazioa
Bahgat, Gawdat. Energy Security: An Interdisciplinary Approach. Chichester, West Sussex, U.K.: Wiley, 2011.
MLA (9th ed.) Zitazioa
Bahgat, Gawdat. Energy Security: An Interdisciplinary Approach. Wiley, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.