Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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