Levine, C. (1995). Taking sides: Clashing views on controversial bioethical issues ([6th ed.].). Dushkin Pub. Group.
Cita Chicago (17th ed.)Levine, Carol. Taking Sides: Clashing Views on Controversial Bioethical Issues. [6th ed.]. [Guilford, Conn.]: Dushkin Pub. Group, 1995.
Cita MLA (9th ed.)Levine, Carol. Taking Sides: Clashing Views on Controversial Bioethical Issues. [6th ed.]. Dushkin Pub. Group, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.