Demographic and Health Surveys Program & Philippines. National Statistics Office. (1994). Philippines national safe motherhood survey, 1993. National Statistics Office.
Chicago-referens (17:e uppl.)Demographic and Health Surveys Program och Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. Manila: National Statistics Office, 1994.
MLA-referens (9:e uppl.)Demographic and Health Surveys Program och Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. National Statistics Office, 1994.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.