Παραπομπή σε μορφή APA (7η εκδ.)

Demographic and Health Surveys Program & Philippines. National Statistics Office. (1994). Philippines national safe motherhood survey, 1993. National Statistics Office.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Demographic and Health Surveys Program και Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. Manila: National Statistics Office, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Demographic and Health Surveys Program και Philippines. National Statistics Office. Philippines National Safe Motherhood Survey, 1993. National Statistics Office, 1994.