Rohloff, W., & Ruhrberg, K. (1977). Wolfgang Rohloff: [Text: Karl Ruhrberg]. Galerie Thomas Wagner.
Chicagoスタイル(17版)引用形式Rohloff, Wolfgang, , Karl Ruhrberg. Wolfgang Rohloff: [Text: Karl Ruhrberg]. Berlin: Galerie Thomas Wagner, 1977.
MLA(8版)引用形式Rohloff, Wolfgang, , Karl Ruhrberg. Wolfgang Rohloff: [Text: Karl Ruhrberg]. Galerie Thomas Wagner, 1977.
警告: この引用は必ずしも正確ではありません.