Cita APA (7th ed.)
Collins, H. (1999). Regulating contracts. Oxford University Press.
Cita Chicago (17th ed.)
Collins, Hugh. Regulating Contracts. Oxford ; New York: Oxford University Press, 1999.
Cita MLA (9th ed.)
Collins, Hugh. Regulating Contracts. Oxford University Press, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.