Gaya APA
Collins, Alan. (2019).
Contemporary security studies (5th ed.).
London, United Kingdom:
Oxford University Press.
Gaya Chicago
Collins, Alan.
Contemporary security studies.
5th ed.
London, United Kingdom:
Oxford University Press,
2019.
Text.
Gaya MLA
Collins, Alan.
Contemporary security studies.
5th ed.
London, United Kingdom:
Oxford University Press,
2019.
Text.
Gaya Turabian
Collins, Alan.
Contemporary security studies.
5th ed.
London, United Kingdom:
Oxford University Press,
2019.
Print.