APA

Bly R. W., . (1998). Business to business direct marketing: proven direct response methods to generate more leads and sales. Lincolnwood, IL: NTC/Contemporary Publishing Group.

Chicago

Bly Robert W, . 1998. Business to business direct marketing: proven direct response methods to generate more leads and sales. Lincolnwood, IL: NTC/Contemporary Publishing Group.

Harvard

Bly R. W., . (1998). Business to business direct marketing: proven direct response methods to generate more leads and sales. Lincolnwood, IL: NTC/Contemporary Publishing Group.

MLA

Bly Robert W, . Business to business direct marketing: proven direct response methods to generate more leads and sales. Lincolnwood, IL: NTC/Contemporary Publishing Group. 1998.