Gaya APA

Cherry, S, H., Moss, D, G. (2004). Understanding Pregnancy and Childbirth: The Newly Revised and Updated th Edition of The Classic Guide (Edisi IV). Canada: .

Gaya MLA

Cherry, Sheldon, H.., Moss, Douglas, G.. "Understanding Pregnancy and Childbirth: The Newly Revised and Updated th Edition of The Classic Guide". Edisi IV Canada: , 2004. Text.