Não informado. (2003). Journal of Purchasing and Supply Management. Elsevier Science.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Purchasing and Supply Management. New York: Elsevier Science, 2003.
Lua MLA (8ú heag.)Não informado. Journal of Purchasing and Supply Management. Elsevier Science, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.