Gaya APA

School, I., H., M. (2020). Sertifikat Participant : Pregnancy and Breastfeeding During COVID-19 on April 16, 2020 . Boston: Harvard Medical School.

Gaya MLA

School, Internasional., Harvard, Medical. "Sertifikat Participant : Pregnancy and Breastfeeding During COVID-19 on April 16, 2020". Boston: Harvard Medical School, 2020. Serdik.