APA

Roman E., . (1995). Integrated direct marketing: the cutting-edge strategy for sycronizing advertising, direct mail, telemarketing, and field sales. Lincolnwood, IL: NTC Business Books.

Chicago

Roman Ernan, . 1995. Integrated direct marketing: the cutting-edge strategy for sycronizing advertising, direct mail, telemarketing, and field sales. Lincolnwood, IL: NTC Business Books.

Harvard

Roman E., . (1995). Integrated direct marketing: the cutting-edge strategy for sycronizing advertising, direct mail, telemarketing, and field sales. Lincolnwood, IL: NTC Business Books.

MLA

Roman Ernan, . Integrated direct marketing: the cutting-edge strategy for sycronizing advertising, direct mail, telemarketing, and field sales. Lincolnwood, IL: NTC Business Books. 1995.