एपीए उद्धरण

N A B Gray. (1987). Introduction To Computer Systems. Prentice-Hall.

शिकागो स्टाइल उद्धरण

N A B Gray. Introduction To Computer Systems. Prentice-Hall, 1987.

एमएलए उद्धरण

N A B Gray. Introduction To Computer Systems. Prentice-Hall, 1987.