Umadhay, A. (1978). Economic Issues in Regional Development in Western Visayas. Philippine Political Science Association.
Chicago-Zitierstil (17. Ausg.)Umadhay, Alex. Economic Issues in Regional Development in Western Visayas. [S.l.]: Philippine Political Science Association, 1978.
MLA-Zitierstil (9. Ausg.)Umadhay, Alex. Economic Issues in Regional Development in Western Visayas. Philippine Political Science Association, 1978.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.