Não informado. (1969). Screen printing. Signs of the Times Publishing.
Chicagoスタイル(17版)引用形式Não informado. Screen Printing. Cincinnati, Ohio: Signs of the Times Publishing, 1969.
MLA(8版)引用形式Não informado. Screen Printing. Signs of the Times Publishing, 1969.
警告: この引用は必ずしも正確ではありません.