एपीए उद्धरण

Betts, J. A. (1967). High frequency communications. English Universities.

शिकागो स्टाइल उद्धरण

Betts, J A. High Frequency Communications. London: English Universities, 1967.

एमएलए उद्धरण

Betts, J A. High Frequency Communications. English Universities, 1967.