Demographic and Health Surveys Program & Philippines. National Statistics Office. (1994). Philippines national safe motherhood survey, 1993. National Statistics Office.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Demographic and Health Surveys Program و Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. Manila: National Statistics Office, 1994.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Demographic and Health Surveys Program و Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. National Statistics Office, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.