Cita APA (7a ed.)

Graw, L. H. (1994). Service purchasing: What every buyer should know LeRoy H. Graw, Deidre M. Maples. Van Nostrand Reinhold.

Cita Chicago Style (17a ed.)

Graw, LeRoy H. Service Purchasing: What Every Buyer Should Know LeRoy H. Graw, Deidre M. Maples. Van Nostrand Reinhold, 1994.

Cita MLA (8a ed.)

Graw, LeRoy H. Service Purchasing: What Every Buyer Should Know LeRoy H. Graw, Deidre M. Maples. Van Nostrand Reinhold, 1994.