Levin, E. (1987). Witnesses in arbitration: Selection, preparation and presentation. The Bureau of National Affairs.
Citazione stile Chigago Style (17a edizione)Levin, Edward. Witnesses in Arbitration: Selection, Preparation and Presentation. Washington, D.C: The Bureau of National Affairs, 1987.
Citatione MLA (9a ed.)Levin, Edward. Witnesses in Arbitration: Selection, Preparation and Presentation. The Bureau of National Affairs, 1987.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.