Frith, l. (1996). Ethics and midwifery issues in contemporary. Butterworth-heinemann.
Lua i Stíl Chicago (17ú heag.)Frith, lucy. Ethics and Midwifery Issues in Contemporary. Butterworth-heinemann, 1996.
Lua MLA (9ú heag.)Frith, lucy. Ethics and Midwifery Issues in Contemporary. Butterworth-heinemann, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.