APA (7. basım) Alıntı

Umadhay, A. (1978). Economic Issues in Regional Development in Western Visayas. Philippine Political Science Association.

Chicago Style (17. basım) Atıf

Umadhay, Alex. Economic Issues in Regional Development in Western Visayas. [S.l.]: Philippine Political Science Association, 1978.

MLA (9th ed.) Atıf

Umadhay, Alex. Economic Issues in Regional Development in Western Visayas. Philippine Political Science Association, 1978.