Sales Excellence

MLA

Homburg, Christian, Heiko Schäfer, and Janna Schneider. Sales Excellence. Springer Berlin Heidelberg, 2012.

APA

Homburg, C., Schäfer, H., & Schneider, J. (2012). Sales Excellence. Springer Berlin Heidelberg.

Chicago

Homburg, Christian, Heiko Schäfer, and Janna Schneider. Sales Excellence. : Springer Berlin Heidelberg, 2012.