Guerrero, S. H., & Ballescas, M. R. P. (1989). Population processes and Philippine social institutions: The impact of fertility and migration on the family, the political institution and the church. University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Guerrero, Sylvia H., و Ma. Rosario P. Ballescas. Population Processes and Philippine Social Institutions: The Impact of Fertility and Migration on the Family, the Political Institution and the Church. Quezon City: University of the Philippines, 1989.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Guerrero, Sylvia H., و Ma. Rosario P. Ballescas. Population Processes and Philippine Social Institutions: The Impact of Fertility and Migration on the Family, the Political Institution and the Church. University of the Philippines, 1989.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.