Welish, M., & Duff, J. (1993). John Duff. Journal of Contemporary Art.
Chicagoスタイル(17版)引用形式Welish, Marjorie, , John Duff. "John Duff." Journal of Contemporary Art 1993.
MLA(8版)引用形式Welish, Marjorie, , John Duff. "John Duff." Journal of Contemporary Art, 1993.
警告: この引用は必ずしも正確ではありません.