Payoyo, P. B. (1985). The role of private and voluntary organizations in U.S. foreign policy. International Studies Institute of the Philippines.
Chicago-Zitierstil (17. Ausg.)Payoyo, Peter B. The Role of Private and Voluntary Organizations in U.S. Foreign Policy. Quezon City: International Studies Institute of the Philippines, 1985.
MLA-Zitierstil (9. Ausg.)Payoyo, Peter B. The Role of Private and Voluntary Organizations in U.S. Foreign Policy. International Studies Institute of the Philippines, 1985.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.