Gaya APA

Johnston, Mark W., Marshall, Greg W.. (2005). Relationship selling and sales management . Boston: McGraw-Hill.

Gaya Chicago

Johnston, Mark W., Marshall, Greg W.. Relationship selling and sales management. Boston: McGraw-Hill, 2005. Text.

Gaya MLA

Johnston, Mark W., Marshall, Greg W.. Relationship selling and sales management. Boston: McGraw-Hill, 2005. Text.

Gaya Turabian

Johnston, Mark W., Marshall, Greg W.. Relationship selling and sales management. Boston: McGraw-Hill, 2005. Print.