APA Style
Tullock, Gordon. (2007).
Open Secret of American Foreign Policy .
Singapura:
World Sicnce.
Chicago Style
Tullock, Gordon.
Open Secret of American Foreign Policy.
Singapura:
World Sicnce,
2007.
Text.
MLA Style
Tullock, Gordon.
Open Secret of American Foreign Policy.
Singapura:
World Sicnce,
2007.
Text.
Turabian Style
Tullock, Gordon.
Open Secret of American Foreign Policy.
Singapura:
World Sicnce,
2007.
Print.