Citazione Stile APA (7a Edizione)

Treitel, G. (1979). An outline of the law of contract (2nd ed.). Butterworths.

Citazione stile Chigago Style (17a edizione)

Treitel, G.H. An Outline of the Law of Contract. 2nd ed. London: Butterworths, 1979.

Citatione MLA (9a ed.)

Treitel, G.H. An Outline of the Law of Contract. 2nd ed. Butterworths, 1979.