Edited by Collins ,Allan. (2016). Contemporary security studies (4th ed.). oxford university.
Cita Chicago (17th ed.)Edited by Collins ,Allan. Contemporary Security Studies. 4th ed. oxford: oxford university, 2016.
Cita MLA (9th ed.)Edited by Collins ,Allan. Contemporary Security Studies. 4th ed. oxford university, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.