Não informado. (1965). Journal of Purchasing. National Association of Purchasing Agents.
Chicagoスタイル(17版)引用形式Não informado. Journal of Purchasing. New York: National Association of Purchasing Agents, 1965.
MLA(8版)引用形式Não informado. Journal of Purchasing. National Association of Purchasing Agents, 1965.
警告: この引用は必ずしも正確ではありません.