एपीए उद्धरण

Morphy H. Frederic. (1991). Interfaces. Institute of management service.

शिकागो स्टाइल उद्धरण

Morphy H. Frederic. Interfaces. America: Institute of management service, 1991.

एमएलए उद्धरण

Morphy H. Frederic. Interfaces. Institute of management service, 1991.