APA Style

Vieweg, F., mbH, S, V. (2001). Customer relationship mangement : the ultimate guide to the efficient use of CRM . Germany: SCN Education BV. (EDS).

MLA Style

Vieweg, Friedr., mbH, Sohn, Verlagsgesellschaft. "Customer relationship mangement : the ultimate guide to the efficient use of CRM". Germany: SCN Education BV. (EDS), 2001. Text.