Não informado. (1964). Training in business and industry. Gellert Publishing.
Chicagoスタイル(17版)引用形式Não informado. Training in Business and Industry. New York: Gellert Publishing, 1964.
MLA(8版)引用形式Não informado. Training in Business and Industry. Gellert Publishing, 1964.
警告: この引用は必ずしも正確ではありません.