Cita APA

Buzan, B., & Wæver, O. (2012). Regions and powers the structure of international security (First published, 9th printing.). Cambridge University Press.

Citación estilo Chicago

Buzan, Barry, y Ole Wæver. Regions and Powers the Structure of International Security. First published, 9th printing. Cambridge University Press, 2012.

Cita MLA

Buzan, Barry, y Ole Wæver. Regions and Powers the Structure of International Security. First published, 9th printing. Cambridge University Press, 2012.