Não informado. (1965). Journal of Purchasing. National Association of Purchasing Agents.
Style de citation Chicago (17e éd.)Não informado. Journal of Purchasing. New York: National Association of Purchasing Agents, 1965.
Style de citation MLA (8e éd.)Não informado. Journal of Purchasing. National Association of Purchasing Agents, 1965.
Attention : ces citations peuvent ne pas être correctes à 100%.