(2009). artist Edition: Norbert Schwontkowski. artist : Kunstmagazin.
Cita Chicago (17th ed.)"Artist Edition: Norbert Schwontkowski." Artist : Kunstmagazin 2009.
Cita MLA (8th ed.)"Artist Edition: Norbert Schwontkowski." Artist : Kunstmagazin, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.