APA aipamena

Lewis, W. A. (1956). The theory of economic growth. London: George Allen & Unwin, Ltd.

Chicago Style aipamena

Lewis, W. Arthur. The Theory of Economic Growth. London: George Allen & Unwin, Ltd, 1956.

MLA aipamena

Lewis, W. Arthur. The Theory of Economic Growth. London: George Allen & Unwin, Ltd, 1956.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.