Tactay, P. B. (1970). Potential economic survey of La Union with focus on cottage industries and tourism: Fieldwork report. Institute for Small-Scale Industries, University of the Philippines.
Chicagoスタイル(17版)引用形式Tactay, Perfecta B. Potential Economic Survey of La Union with Focus on Cottage Industries and Tourism: Fieldwork Report. Quezon City: Institute for Small-Scale Industries, University of the Philippines, 1970.
MLA(9版)引用形式Tactay, Perfecta B. Potential Economic Survey of La Union with Focus on Cottage Industries and Tourism: Fieldwork Report. Institute for Small-Scale Industries, University of the Philippines, 1970.
警告: この引用は必ずしも正確ではありません.