De Vries, R. G. (2001). Birth by design: Pregnancy, maternity care, and midwifery in North America and Europe. Routledge.
Chicago-Zitierstil (17. Ausg.)De Vries, Raymond G. Birth by Design: Pregnancy, Maternity Care, and Midwifery in North America and Europe. New York: Routledge, 2001.
MLA-Zitierstil (8. Ausg.)De Vries, Raymond G. Birth by Design: Pregnancy, Maternity Care, and Midwifery in North America and Europe. Routledge, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.