BRADFORD, D. L., & COHEN, A. R. (1984). Managing for excelence: The guide to developing in high performance. John Wiley.
Lua i Stíl Chicago (17ú heag.)BRADFORD, David L., agus Allan R. COHEN. Managing for Excelence: The Guide to Developing in High Performance. New York: John Wiley, 1984.
Lua MLA (9ú heag.)BRADFORD, David L., agus Allan R. COHEN. Managing for Excelence: The Guide to Developing in High Performance. John Wiley, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.