Leonard, D. (1997). Guide to the European Union: The original and definitive guide to all aspects of the EU (5th ed.). London: Economist Newspaper LTd.
Παραπομπή Chicago StyleLeonard, Dick. Guide to the European Union: The Original and Definitive Guide to All Aspects of the EU. 5th ed. London: Economist Newspaper LTd, 1997.
Παραπομπή MLALeonard, Dick. Guide to the European Union: The Original and Definitive Guide to All Aspects of the EU. 5th ed. London: Economist Newspaper LTd, 1997.
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