Voigt, S. (2008). The customs union between Turkey and the EU: How did it affect Turkey? Diplom.de.
Cita Chicago (17th ed.)Voigt, Susanne. The Customs Union Between Turkey and the EU: How Did It Affect Turkey? Hamburg: Diplom.de, 2008.
Cita MLA (9th ed.)Voigt, Susanne. The Customs Union Between Turkey and the EU: How Did It Affect Turkey? Diplom.de, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.