APA استشهاد

Carter, C. F. (1968). Wealth; an Essay on the Purpose of Economics. Penguin.

استشهاد بنمط شيكاغو

Carter, Charles F. Wealth; an Essay on the Purpose of Economics. Harmonsworth: Penguin, 1968.

MLA استشهاد

Carter, Charles F. Wealth; an Essay on the Purpose of Economics. Penguin, 1968.