Campbell, David, (1958-)

New directions in regulatory theory / by: Campbell, David, (1958-); Picciotto, Sol. (書目-語言資料,印刷品)

The nature and sources of the law / by: Campbell, David, (1958-); Thomas, Philip A.; Gray, Roland, (1874-1957.); Gray, John Chipman, (1839-1915.) (書目-語言資料,印刷品)