Sullivan, D. A., & Weitz, R. (1988). Labor pains: Modern midwives and home birth. Yale University Press.
Lua i Stíl Chicago (17ú heag.)Sullivan, Deborah A., agus Rose Weitz. Labor Pains: Modern Midwives and Home Birth. New Haven: Yale University Press, 1988.
Lua MLA (9ú heag.)Sullivan, Deborah A., agus Rose Weitz. Labor Pains: Modern Midwives and Home Birth. Yale University Press, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.