MLA

Weissbrich, Dirk, and Prof. Harley Krohmer. The Marketing-sales-finance Triangle. Gabler, 2009.

APA

Weissbrich, D., & Krohmer, P. Harley. (2009). The Marketing-Sales-Finance Triangle. Gabler.

Chicago

Weissbrich, Dirk, and Prof. Harley Krohmer. The Marketing-Sales-Finance Triangle. : Gabler, 2009.