Demographic and Health Surveys Program & Philippines. National Statistics Office. (1994). Philippines national safe motherhood survey, 1993. National Statistics Office.
Citazione stile Chigago Style (17a edizione)Demographic and Health Surveys Program e Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. Manila: National Statistics Office, 1994.
Citatione MLA (9a ed.)Demographic and Health Surveys Program e Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. National Statistics Office, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.