APA
Hartley T., . (2007). The Foundations of European Community Law. USA: Oxford University Press.
Chicago
Hartley TC, . 2007. The Foundations of European Community Law. USA: Oxford University Press.
Harvard
Hartley T., . (2007). The Foundations of European Community Law. USA: Oxford University Press.
MLA
Hartley TC, . The Foundations of European Community Law. USA: Oxford University Press. 2007.