Keatings, M. (2000). Ethical and legal issues. Elsevier Science.
Cita Chicago (17th ed.)Keatings, Margaret. Ethical and Legal Issues. Elsevier Science, 2000.
Cita MLA (9th ed.)Keatings, Margaret. Ethical and Legal Issues. Elsevier Science, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.