Vierdag, E. W., Klabbers, J., & Lefeber, R. (1998). Essays on the law of treaties: A collection of essays in honour of Bert Vierdag. The Hague ; Boston : Cambridge, MA, U.S.A: Martinus Nijhoff Publishers ; Sold and distributed in the U.S.A. and Canada by Kluwer Law International.
Petikan Gaya ChicagoVierdag, E. W., Jan Klabbers, and R. Lefeber. Essays On the Law of Treaties: A Collection of Essays in Honour of Bert Vierdag. The Hague ; Boston : Cambridge, MA, U.S.A: Martinus Nijhoff Publishers ; Sold and distributed in the U.S.A. and Canada by Kluwer Law International, 1998.
Petikan MLAVierdag, E. W., Jan Klabbers, and R. Lefeber. Essays On the Law of Treaties: A Collection of Essays in Honour of Bert Vierdag. The Hague ; Boston : Cambridge, MA, U.S.A: Martinus Nijhoff Publishers ; Sold and distributed in the U.S.A. and Canada by Kluwer Law International, 1998.