Murphy, E. R. M. B. S. a. E. Contraceptive safety rumors and realities. Population Reference Bureau.
Lua i Stíl Chicago (17ú heag.)Murphy, Eric R. Miller Barbara Shane and Elaine. Contraceptive Safety Rumors and Realities. Population Reference Bureau.
Lua MLA (8ú heag.)Murphy, Eric R. Miller Barbara Shane and Elaine. Contraceptive Safety Rumors and Realities. Population Reference Bureau.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.