Engel, J. (1993). Kulturökonomie. artist : Kunstmagazin.
Cita Chicago (17th ed.)Engel, Jürgen. "Kulturökonomie." Artist : Kunstmagazin 1993.
Cita MLA (8th ed.)Engel, Jürgen. "Kulturökonomie." Artist : Kunstmagazin, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.