एपीए उद्धरण

Hartley, M. G. (1962). An introduction to electronic analogue computers. Methuen.

शिकागो स्टाइल उद्धरण

Hartley, M. G. An Introduction to Electronic Analogue Computers. London: Methuen, 1962.

एमएलए उद्धरण

Hartley, M. G. An Introduction to Electronic Analogue Computers. Methuen, 1962.