APA

Nugent Neill,, . (2004). European Union enlargement. New York: Palgrave MacMillan.

Chicago

Nugent Neill,, . 2004. European Union enlargement. New York: Palgrave MacMillan.

Harvard

Nugent Neill,, . (2004). European Union enlargement. New York: Palgrave MacMillan.

MLA

Nugent Neill,, . European Union enlargement. New York: Palgrave MacMillan. 2004.