Cita APA (7th ed.)
ebrary, Inc, United States, & Attenberg, R. H. (2009). Global energy security. Nova Science Publishers.
Cita Chicago (17th ed.)
ebrary, Inc, United States, i Roger H. Attenberg. Global Energy Security. New York: Nova Science Publishers, 2009.
Cita MLA (9th ed.)
ebrary, Inc, et al. Global Energy Security. Nova Science Publishers, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.