Levine, C. (1993). Taking sides: Clashing views on controversial bioethical issues (5th ed.). Dushkin.
Cita Chicago (17th ed.)Levine, Carol. Taking Sides: Clashing Views on Controversial Bioethical Issues. 5th ed. Connecticut: Dushkin, 1993.
Cita MLA (9th ed.)Levine, Carol. Taking Sides: Clashing Views on Controversial Bioethical Issues. 5th ed. Dushkin, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.