Zimmer, J. (1997). Labor of love: Mothers share the joy of childbirth. Wiley.
Lua i Stíl Chicago (17ú heag.)Zimmer, Judith. Labor of Love: Mothers Share the Joy of Childbirth. New York: Wiley, 1997.
Lua MLA (8ú heag.)Zimmer, Judith. Labor of Love: Mothers Share the Joy of Childbirth. Wiley, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.