Cita APA (7a ed.)

Stone, B. (1994). Successful direct marketing methods (5th. ed.). NTC Business Books.

Cita Chicago Style (17a ed.)

Stone, Bob. Successful Direct Marketing Methods. 5th. ed. Lincolnwod (Ill.): NTC Business Books, 1994.

Cita MLA (8a ed.)

Stone, Bob. Successful Direct Marketing Methods. 5th. ed. NTC Business Books, 1994.