APA

Hartley T. C., . (1981). The foundations of European Community law: an introduction to the constitutional and administrative law of the European Community. Oxford: Clarendon Press.

Chicago

Hartley Trevor C, . 1981. The foundations of European Community law: an introduction to the constitutional and administrative law of the European Community. Oxford: Clarendon Press.

Harvard

Hartley T. C., . (1981). The foundations of European Community law: an introduction to the constitutional and administrative law of the European Community. Oxford: Clarendon Press.

MLA

Hartley Trevor C, . The foundations of European Community law: an introduction to the constitutional and administrative law of the European Community. Oxford: Clarendon Press. 1981.