Tayler, H., Kratzer, T., & Phillips, R. (1999). Administering GroupWise 5.5. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Tayler, Howard, Tay Kratzer, agus Ross Phillips. Administering GroupWise 5.5. New York, NY: McGraw-Hill, 1999.
Lua MLA (8ú heag.)Tayler, Howard, et al. Administering GroupWise 5.5. McGraw-Hill, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.