Ukalkar, S. (2000). Strategic procurement management for competitive advantage. O.U.P.
Lua i Stíl Chicago (17ú heag.)Ukalkar, Sanjay. Strategic Procurement Management for Competitive Advantage. New Delhi: O.U.P, 2000.
Lua MLA (9ú heag.)Ukalkar, Sanjay. Strategic Procurement Management for Competitive Advantage. O.U.P, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.