(1994). High School der International School of Düsseldorf, Düsseldorf-Kaiserwert. Centrum.
Cita Chicago (17th ed.)"High School Der International School of Düsseldorf, Düsseldorf-Kaiserwert." Centrum 1994.
Cita MLA (8th ed.)"High School Der International School of Düsseldorf, Düsseldorf-Kaiserwert." Centrum, 1994.
Atenció: Aquestes cites poden no estar 100% correctes.