Parkinson, C. (1987). The world`s great achievements and failures in management. IBH.
Lua i Stíl Chicago (17ú heag.)Parkinson, C. The World`s Great Achievements and Failures in Management. Bombay: IBH, 1987.
Lua MLA (9ú heag.)Parkinson, C. The World`s Great Achievements and Failures in Management. IBH, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.