Gaya APA

M,D., S, H, C., M.D., D, G, M. (2004). Understanding Pregnancy And Childbirth (--). New York: John Wiley & Sons, Inc..

Gaya MLA

M,D., Sheldon, H., Cherry,., M.D., Douglas, G., Moss,. "Understanding Pregnancy And Childbirth". -- New York: John Wiley & Sons, Inc., 2004. Text.