Não informado. (1987). Industry & Higher Education. Butterworth Scientific.
Chicagoスタイル(17版)引用形式Não informado. Industry & Higher Education. Surrey, Inglaterra: Butterworth Scientific, 1987.
MLA(8版)引用形式Não informado. Industry & Higher Education. Butterworth Scientific, 1987.
警告: この引用は必ずしも正確ではありません.