Gaya APA
paula, F. et al. (2007).
Memahami segalanya tentang kehamilan (the everything pregnancy book) .
Jawa Timur:
Karisma publishing group.
Gaya MLA
paula, F. et al..
Memahami segalanya tentang kehamilan (the everything pregnancy book).
Jawa Timur:
Karisma publishing group,
2007.
Text.