APA (7th ed.) Zitazioa
Steen, M., & Roberts, T. (2011). The handbook of midwifery research. Wiley-Blackwell.
Chicago Style (17th ed.) Zitazioa
Steen, Mary, eta Taniya Roberts. The Handbook of Midwifery Research. Chichester, West Sussex, U.K. ; Ames, Iowa: Wiley-Blackwell, 2011.
MLA (9th ed.) Zitazioa
Steen, Mary, eta Taniya Roberts. The Handbook of Midwifery Research. Wiley-Blackwell, 2011.
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