एपीए उद्धरण

Freedman, M. D. (1972). Principles of digital computer operation. Wiley Eastern.

शिकागो स्टाइल उद्धरण

Freedman, M. David. Principles of Digital Computer Operation. New York: Wiley Eastern, 1972.

एमएलए उद्धरण

Freedman, M. David. Principles of Digital Computer Operation. Wiley Eastern, 1972.