एपीए उद्धरण

Lewis, H. (1996). Power-copywritting. Vanity.

शिकागो स्टाइल उद्धरण

Lewis, Herschell. Power-copywritting. New Delhi: Vanity, 1996.

एमएलए उद्धरण

Lewis, Herschell. Power-copywritting. Vanity, 1996.