एपीए उद्धरण

Knowles, L. (1932). Economic development in the 19th centuary; France, Germany, Russia and the U.S.A. Kegan Paul.

शिकागो स्टाइल उद्धरण

Knowles, L.C.A. Economic Development in the 19th Centuary; France, Germany, Russia and the U.S.A. Kegan Paul, 1932.

एमएलए उद्धरण

Knowles, L.C.A. Economic Development in the 19th Centuary; France, Germany, Russia and the U.S.A. Kegan Paul, 1932.