Gaya APA
Journal of Pregnancy. ().
United Kingdom:
Hindawi Limited.
Gaya Chicago
Journal of Pregnancy.
.
United Kingdom:
Hindawi Limited,
.
Text.
Gaya MLA
Journal of Pregnancy.
.
United Kingdom:
Hindawi Limited,
.
Text.
Gaya Turabian
Journal of Pregnancy.
United Kingdom:
Hindawi Limited,
.
Print.