Grasskamp, W. (1986). An Angle Vanishes: Gerhard Richter. Flash Art.
Chicagoスタイル(17版)引用形式Grasskamp, Walter. "An Angle Vanishes: Gerhard Richter." Flash Art 1986.
MLA(8版)引用形式Grasskamp, Walter. "An Angle Vanishes: Gerhard Richter." Flash Art, 1986.
警告: この引用は必ずしも正確ではありません.