APA
Gschwandtner G., . (2007). The essential sales management handbook. : McGraw Hill Professional.
Chicago
Gschwandtner Gerhard, . 2007. The essential sales management handbook. : McGraw Hill Professional.
Harvard
Gschwandtner G., . (2007). The essential sales management handbook. : McGraw Hill Professional.
MLA
Gschwandtner Gerhard, . The essential sales management handbook. : McGraw Hill Professional. 2007.