Gaya APA

S.ST.,M.Keb, I, Y, D. et al (2021). Technique Active Birth (Birth Ball And Hypnobirthing) . Padang: Stikes Syedza Saintika.

Gaya MLA

S.ST.,M.Keb, Ika, Yulia, Darma,. et al. "Technique Active Birth (Birth Ball And Hypnobirthing)". Padang: Stikes Syedza Saintika, 2021. Electronic Resource.