De Vries, R. (2001). Birth by design: Pregnancy, maternity care, and midwifery in North America and Europe. New York: Routledge.
Παραπομπή Chicago StyleDe Vries, Raymond. Birth By Design: Pregnancy, Maternity Care, and Midwifery in North America and Europe. New York: Routledge, 2001.
Παραπομπή MLADe Vries, Raymond. Birth By Design: Pregnancy, Maternity Care, and Midwifery in North America and Europe. New York: Routledge, 2001.
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