Johnson, r. (2001). Skills for midwifery practice. Churchill Livingstone.
Lua i Stíl Chicago (17ú heag.)Johnson, ruth. Skills for Midwifery Practice. Churchill Livingstone, 2001.
Lua MLA (9ú heag.)Johnson, ruth. Skills for Midwifery Practice. Churchill Livingstone, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.