Gaya APA
Spindler, M. (2013).
International relations a self-study guide to theory .
Leverkusen-Opladen:
Verlag Barbara Budrich.
Gaya MLA
Spindler, Manuela.
"International relations a self-study guide to theory".
Leverkusen-Opladen:
Verlag Barbara Budrich,
2013.
Electronic Resource.