Gaya APA
ICEA, . (2019).
International Journal of Childbitth Education Vol 34 (Volume 34 Number 1 Januari 2019).
Washingon,DC:
ICEA.
Gaya MLA
ICEA, .
"International Journal of Childbitth Education Vol 34".
Volume 34 Number 1 Januari 2019
Washingon,DC:
ICEA,
2019.
Text.