(1966). Anton Heyboer: Etsen - Collages ; 1 April - 30 April 1966.
Chicagoスタイル(17版)引用形式Anton Heyboer: Etsen - Collages ; 1 April - 30 April 1966. Amsterdam, 1966.
MLA(8版)引用形式Anton Heyboer: Etsen - Collages ; 1 April - 30 April 1966. 1966.
警告: この引用は必ずしも正確ではありません.