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