توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

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.