एपीए उद्धरण

Roger S. Walker. (1981). Understanding computer science. Dallas: Texas Instruments Learning Center.

शिकागो स्टाइल उद्धरण

Roger S. Walker. Understanding Computer Science. Dallas: Texas Instruments Learning Center, 1981.

एमएलए उद्धरण

Roger S. Walker. Understanding Computer Science. Dallas: Texas Instruments Learning Center, 1981.