Não informado. (1991). Photo Electronic Imaging. PPA Publications & Events.
Chicagoスタイル(17版)引用形式Não informado. Photo Electronic Imaging. Des Plaines, Ill: PPA Publications & Events, 1991.
MLA(8版)引用形式Não informado. Photo Electronic Imaging. PPA Publications & Events, 1991.
警告: この引用は必ずしも正確ではありません.