Não informado. (1987). High technology business. Infotechnology Publishing.
Chicagoスタイル(17版)引用形式Não informado. High Technology Business. Boston, Mass: Infotechnology Publishing, 1987.
MLA(8版)引用形式Não informado. High Technology Business. Infotechnology Publishing, 1987.
警告: この引用は必ずしも正確ではありません.