MLA

Westner, Markus K, Prof. Susanne Strahringer, and Markus Westner. Is Offshoring. Gabler, 2009.

APA

Westner, M. K, Strahringer, P. Susanne, & Westner, M. (2009). IS Offshoring. Gabler.

Chicago

Westner, Markus K., Prof. Susanne Strahringer, and Markus Westner. IS Offshoring. : Gabler, 2009.