APA
Society of Public Teachers of Law (London E., . (1997). The Classification of Obligations. : Oxford University Press on Demand.
Chicago
Society of Public Teachers of Law (London England), . 1997. The Classification of Obligations. : Oxford University Press on Demand.
Harvard
Society of Public Teachers of Law (London E., . (1997). The Classification of Obligations. : Oxford University Press on Demand.
MLA
Society of Public Teachers of Law (London England), . The Classification of Obligations. : Oxford University Press on Demand. 1997.