Umadhay, A. (1978). Economic Issues in Regional Development in Western Visayas. Philippine Political Science Association.
芝加哥风格引文Umadhay, Alex. Economic Issues in Regional Development in Western Visayas. [S.l.]: Philippine Political Science Association, 1978.
MLA引文Umadhay, Alex. Economic Issues in Regional Development in Western Visayas. Philippine Political Science Association, 1978.
警告：这些引文格式不一定是100％准确.