Demographic and Health Surveys Program & Philippines. National Statistics Office. (1994). Philippines national safe motherhood survey, 1993. National Statistics Office.
芝加哥风格引文Demographic and Health Surveys Program 与 Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. Manila: National Statistics Office, 1994.
MLA引文Demographic and Health Surveys Program 与 Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. National Statistics Office, 1994.
警告：这些引文格式不一定是100％准确.