Weidenfeld, W. (1999). Europa-Handbuch.
Cita Chicago (17th ed.)Weidenfeld, Werner. Europa-Handbuch. Bonn, 1999.
Cita MLA (8th ed.)Weidenfeld, Werner. Europa-Handbuch. 1999.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)