Gaya APA
Situmorang, R, B., Hutabarat, V.
(2020).
Kehamilan & Prenatal Yoga
.
Bengkulu:
Elmarkazi.
Gaya MLA
Situmorang, Ronalen, Br.., Hutabarat, Vitrilina.
"Kehamilan & Prenatal Yoga".
Bengkulu:
Elmarkazi,
2020.
Art Original.