BACON, M. S. (1994). Do-it-yourself Direct Marketing: Secrets For Small Business. John Wiley and Sons.
Chicago Style aipamenaBACON, Mark S. Do-it-yourself Direct Marketing: Secrets For Small Business. John Wiley and Sons, 1994.
MLA aipamenaBACON, Mark S. Do-it-yourself Direct Marketing: Secrets For Small Business. John Wiley and Sons, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.