Wierenga, B., & Bruggen, G. H. v. (2000). Marketing management support systems: Principles, tools. and implementation. Kluwer Academic.
Chicago-čujuhus (17. p.)Wierenga, Berend, juo Gerrit Harm van Bruggen. Marketing Management Support Systems: Principles, Tools. and Implementation. Boston: Kluwer Academic, 2000.
MLA-čujuhus (9. p.)Wierenga, Berend, juo Gerrit Harm van Bruggen. Marketing Management Support Systems: Principles, Tools. and Implementation. Kluwer Academic, 2000.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.