(1965). The American economic system... and your part in it. New York: United Feature Syndicate, Inc.
शिकागो स्टाइल उद्धरणThe American Economic System... and Your Part in It. New York: United Feature Syndicate, Inc, 1965.
एमएलए उद्धरणThe American Economic System... and Your Part in It. New York: United Feature Syndicate, Inc, 1965.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.