APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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