Levin, E. (1987). Witnesses in arbitration: Selection, preparation and presentation. The Bureau of National Affairs.
Cita Chicago (17th ed.)Levin, Edward. Witnesses in Arbitration: Selection, Preparation and Presentation. Washington, D.C: The Bureau of National Affairs, 1987.
Cita MLA (9th ed.)Levin, Edward. Witnesses in Arbitration: Selection, Preparation and Presentation. The Bureau of National Affairs, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.