Levine, C. (1993). Taking sides: Clashing views on controversial bioethical issues (5th ed.). Dushkin.
Lua i Stíl Chicago (17ú heag.)Levine, Carol. Taking Sides: Clashing Views on Controversial Bioethical Issues. 5th ed. Connecticut: Dushkin, 1993.
Lua MLA (9ú heag.)Levine, Carol. Taking Sides: Clashing Views on Controversial Bioethical Issues. 5th ed. Dushkin, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.