(2003). Volkhard Kempter: Circles. Gli Ori.
Cita Chicago (17th ed.)Volkhard Kempter: Circles. Prato: Gli Ori, 2003.
Cita MLA (8th ed.)Volkhard Kempter: Circles. Gli Ori, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)