Παραπομπή σε μορφή APA (7η εκδ.)

Vallentyne, P. (1991). Contractarianism and rational choise: Essays on David Gauthier's 'Morals By Agreement'. Cambridge University Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Vallentyne, Peter. Contractarianism and Rational Choise: Essays on David Gauthier's 'Morals By Agreement'. New York: Cambridge University Press, 1991.

Παραπομπή σε μορφή MLA (8th εκδ.)

Vallentyne, Peter. Contractarianism and Rational Choise: Essays on David Gauthier's 'Morals By Agreement'. Cambridge University Press, 1991.