Não informado. (2004). Research & Development. Reed Business Information.
Chicagoスタイル(17版)引用形式Não informado. Research & Development. Highlands Ranch, Colo: Reed Business Information, 2004.
MLA(8版)引用形式Não informado. Research & Development. Reed Business Information, 2004.
警告: この引用は必ずしも正確ではありません.