APA

Stone B., . (1988). Successful direct marketing methods. Lincolnwood, Ill., USA: NTC Business Books.

Chicago

Stone Bob, . 1988. Successful direct marketing methods. Lincolnwood, Ill., USA: NTC Business Books.

Harvard

Stone B., . (1988). Successful direct marketing methods. Lincolnwood, Ill., USA: NTC Business Books.

MLA

Stone Bob, . Successful direct marketing methods. Lincolnwood, Ill., USA: NTC Business Books. 1988.