CAiSE '91, Trondheim, Norway, Bubenko, J., Andersen, R., & Sølvberg, A. (1991). Advanced information systems engineering: Third international conference, CAiSE '91, Trondheim, Norway, May 13-15, 1991 : proceedings. Springer-Verlag.
Lua i Stíl Chicago (17ú heag.)CAiSE '91, Trondheim, Norway, Janis Bubenko, R. Andersen, agus Arne Sølvberg. Advanced Information Systems Engineering: Third International Conference, CAiSE '91, Trondheim, Norway, May 13-15, 1991 : Proceedings. Berlin ; New York: Springer-Verlag, 1991.
Lua MLA (8ú heag.)CAiSE '91, Trondheim, Norway, et al. Advanced Information Systems Engineering: Third International Conference, CAiSE '91, Trondheim, Norway, May 13-15, 1991 : Proceedings. Springer-Verlag, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.