Gaya APA

DeVries, R. (2001). Birth by Design : Pregnancy, Maternity Care, and Midwifery in North America and Europe . New York: Routledge.

Gaya MLA

DeVries, Raymond. "Birth by Design : Pregnancy, Maternity Care, and Midwifery in North America and Europe". New York: Routledge, 2001. Koleksi Elektronik.