HANSEN GREGORY. (1997). AUTOMATING BUSINESS PROCESS REENGINEERING (2ND.). PRENTICE HALL.
Lua i Stíl Chicago (17ú heag.)HANSEN GREGORY. AUTOMATING BUSINESS PROCESS REENGINEERING. 2ND. NEW JERSY: PRENTICE HALL, 1997.
Lua MLA (9ú heag.)HANSEN GREGORY. AUTOMATING BUSINESS PROCESS REENGINEERING. 2ND. PRENTICE HALL, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.