एपीए उद्धरण

Hartwell, R. (1971). Industrial revolution and economic growth. Methuen.

शिकागो स्टाइल उद्धरण

Hartwell, R.M. Industrial Revolution and Economic Growth. London: Methuen, 1971.

एमएलए उद्धरण

Hartwell, R.M. Industrial Revolution and Economic Growth. Methuen, 1971.