(1971). Circle: International survey of constructive art. Praeger Pub.
Chicagoスタイル(17版)引用形式Circle: International Survey of Constructive Art. New York: Praeger Pub, 1971.
MLA(9版)引用形式Circle: International Survey of Constructive Art. Praeger Pub, 1971.
警告: この引用は必ずしも正確ではありません.