توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

De los Reyes, E. (1977). Prediction of persistence in the use of the intra-uterine device from selected demographic factors [microform]. Photoduplication Service, University of the Philippines Library.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

De los Reyes, Eulogia. Prediction of Persistence in the Use of the Intra-uterine Device from Selected Demographic Factors [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

De los Reyes, Eulogia. Prediction of Persistence in the Use of the Intra-uterine Device from Selected Demographic Factors [microform]. Photoduplication Service, University of the Philippines Library, 1977.