ebrary, Inc, Motwani, J. G., & Sower, V. E. (2006). Benchmarking in services. Emerald Group Publishing.
Lua i Stíl Chicago (17ú heag.)ebrary, Inc, Jaideep G. Motwani, agus Victor E. Sower. Benchmarking in Services. Bradford, England: Emerald Group Publishing, 2006.
Lua MLA (9ú heag.)ebrary, Inc, et al. Benchmarking in Services. Emerald Group Publishing, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.