Cita APA (7th ed.)

Osullivan, J. (2014). Law of Contract (6th ed.). OUP.

Cita Chicago (17th ed.)

Osullivan, Janet. Law of Contract. 6th ed. New Delhi: OUP, 2014.

Cita MLA (9th ed.)

Osullivan, Janet. Law of Contract. 6th ed. OUP, 2014.