APA استشهاد

Stone, R. D. (2011). Text, cases and materials on contract law (2nd ed.). Routledge.

استشهاد بنمط شيكاغو

Stone, Richard Devenney. Text, Cases and Materials on Contract Law. 2nd ed. London: Routledge, 2011.

MLA استشهاد

Stone, Richard Devenney. Text, Cases and Materials on Contract Law. 2nd ed. Routledge, 2011.