APA Style
Youngs, Richard. (2009).
ENERGY SECURITY: Europe's New Foreign Policy Challange .
London:
Pustaka Pelajar.
Chicago Style
Youngs, Richard.
ENERGY SECURITY: Europe's New Foreign Policy Challange.
London:
Pustaka Pelajar,
2009.
Text.
MLA Style
Youngs, Richard.
ENERGY SECURITY: Europe's New Foreign Policy Challange.
London:
Pustaka Pelajar,
2009.
Text.
Turabian Style
Youngs, Richard.
ENERGY SECURITY: Europe's New Foreign Policy Challange.
London:
Pustaka Pelajar,
2009.
Print.