Graw, L. H. (1994). Service purchasing: What every buyer should know LeRoy H. Graw, Deidre M. Maples. Van Nostrand Reinhold.
Style de citation Chicago (17e éd.)Graw, LeRoy H. Service Purchasing: What Every Buyer Should Know LeRoy H. Graw, Deidre M. Maples. Van Nostrand Reinhold, 1994.
Style de citation MLA (8e éd.)Graw, LeRoy H. Service Purchasing: What Every Buyer Should Know LeRoy H. Graw, Deidre M. Maples. Van Nostrand Reinhold, 1994.
Attention : ces citations peuvent ne pas être correctes à 100%.