Loers, V. (2003). Painting on the roof: Dirk Bell. Museum Abteiberg.
Chicagoスタイル(17版)引用形式Loers, Veit. Painting on the Roof: Dirk Bell. Mönchengladbach: Museum Abteiberg, 2003.
MLA(8版)引用形式Loers, Veit. Painting on the Roof: Dirk Bell. Museum Abteiberg, 2003.
警告: この引用は必ずしも正確ではありません.