एपीए उद्धरण

Ben Ezzell. (1991). Graphics Programming In Turbo Pascal 6.0. Addison-Wesley Publishing.

शिकागो स्टाइल उद्धरण

Ben Ezzell. Graphics Programming In Turbo Pascal 6.0. Addison-Wesley Publishing, 1991.

एमएलए उद्धरण

Ben Ezzell. Graphics Programming In Turbo Pascal 6.0. Addison-Wesley Publishing, 1991.