Harrington, H. J. (1996). High Performance Benchmarking. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Harrington, H. James. High Performance Benchmarking. McGraw-Hill, 1996.
Lua MLA (8ú heag.)Harrington, H. James. High Performance Benchmarking. McGraw-Hill, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.