APA

Anderson K., Kerr C., . (2002). Customer relationship management. New York: McGraw-Hill.

Chicago

Anderson Kristin, Kerr Carol, . 2002. Customer relationship management. New York: McGraw-Hill.

Harvard

Anderson K., Kerr C., . (2002). Customer relationship management. New York: McGraw-Hill.

MLA

Anderson Kristin, Kerr Carol, . Customer relationship management. New York: McGraw-Hill. 2002.