APA

Lewis H. G., . (1992). Direct marketing strategies and tactics: unleash the power of direct marketing for bigger profits. Chicago, IL: Dartnell.

Chicago

Lewis Herschell Gordon, . 1992. Direct marketing strategies and tactics: unleash the power of direct marketing for bigger profits. Chicago, IL: Dartnell.

Harvard

Lewis H. G., . (1992). Direct marketing strategies and tactics: unleash the power of direct marketing for bigger profits. Chicago, IL: Dartnell.

MLA

Lewis Herschell Gordon, . Direct marketing strategies and tactics: unleash the power of direct marketing for bigger profits. Chicago, IL: Dartnell. 1992.