APA
Stone B., Jacobs R., . (2008). Successful direct marketing methods. New York, NY: McGraw-Hill.
Chicago
Stone Bob, Jacobs Ron, . 2008. Successful direct marketing methods. New York, NY: McGraw-Hill.
Harvard
Stone B., Jacobs R., . (2008). Successful direct marketing methods. New York, NY: McGraw-Hill.
MLA
Stone Bob, Jacobs Ron, . Successful direct marketing methods. New York, NY: McGraw-Hill. 2008.