Rickards, M. (1988). Collecting Printed Ephemera. Phaidon - Christies.
Chicagoスタイル(17版)引用形式Rickards, Maurice. Collecting Printed Ephemera. Oxford: Phaidon - Christies, 1988.
MLA(8版)引用形式Rickards, Maurice. Collecting Printed Ephemera. Phaidon - Christies, 1988.
警告: この引用は必ずしも正確ではありません.