एपीए उद्धरण

Knowles, L. C. A. (1932). Economic development in the nineteeth century: France, Germany, Russia and the United States.

शिकागो स्टाइल उद्धरण

Knowles, L C A. Economic Development in the Nineteeth Century: France, Germany, Russia and the United States. Routledge & Kegan Paul Ltd., London, 1932.

एमएलए उद्धरण

Knowles, L C A. Economic Development in the Nineteeth Century: France, Germany, Russia and the United States. 1932.