توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Encarnacion, J. (1972). Effects of family income and education on fertility: Cross-section results, Philippines, 1968. Institute of Economic Development and Research, University of the Philippines.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Encarnacion, Jose. Effects of Family Income and Education on Fertility: Cross-section Results, Philippines, 1968. [Quezon City]: Institute of Economic Development and Research, University of the Philippines, 1972.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Encarnacion, Jose. Effects of Family Income and Education on Fertility: Cross-section Results, Philippines, 1968. Institute of Economic Development and Research, University of the Philippines, 1972.