Wilken, S., & Villiers, T. (2002). Wilken and Villiers the law of waiver, variation, and estoppel (2nd ed.). Oxford University Press.
Citação norma ChicagoWilken, Sean, and Theresa Villiers. Wilken and Villiers the Law of Waiver, Variation, and Estoppel. 2nd ed. London ; New York: Oxford University Press, 2002.
Citação norma MLAWilken, Sean, and Theresa Villiers. Wilken and Villiers the Law of Waiver, Variation, and Estoppel. 2nd ed. Oxford University Press, 2002.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.