Não informado. (1974). Journal of Purchasing and Materials Management. National Association of Purchasing Management.
Style de citation Chicago (17e éd.)Não informado. Journal of Purchasing and Materials Management. Oradell, NJ: National Association of Purchasing Management, 1974.
Style de citation MLA (8e éd.)Não informado. Journal of Purchasing and Materials Management. National Association of Purchasing Management, 1974.
Attention : ces citations peuvent ne pas être correctes à 100%.