APA

Poole ، Jill, .Textbook On Contract Law. New York : Oxford ، 2010: .

Chicago

Poole ، Jill, .Textbook On Contract Law. New York : Oxford ، 2010: .

Harvard

Poole ، Jill, .Textbook On Contract Law. New York : Oxford ، 2010: .

MLA

Poole ، Jill, .New York : Oxford ، 2010: . .