Hammer, M. (1996). Beyond reengineering. Harpar Collins.
Lua i Stíl Chicago (17ú heag.)Hammer, Michael. Beyond Reengineering. London: Harpar Collins, 1996.
Lua MLA (9ú heag.)Hammer, Michael. Beyond Reengineering. Harpar Collins, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.