एपीए उद्धरण

Stone, B. (1986). Successful direct marketing methods/3e (3rd ed.). Crain books.

शिकागो स्टाइल उद्धरण

Stone, Bob. Successful Direct Marketing Methods/3e. 3rd ed. Crain books, 1986.

एमएलए उद्धरण

Stone, Bob. Successful Direct Marketing Methods/3e. 3rd ed. Crain books, 1986.