Henry, J. M. (1975). Free enterprise, an imperative: Nine essays on "The moral imperative of the American private enterprise system of risks and rewards". Herbert Hoover Presidential Library Association for the Garvey Foundation, Wichita, Kansas.
Chicago Style (17. basım) AtıfHenry, John M. Free Enterprise, an Imperative: Nine Essays on "The Moral Imperative of the American Private Enterprise System of Risks and Rewards". West Branch, Iowa: Herbert Hoover Presidential Library Association for the Garvey Foundation, Wichita, Kansas, 1975.
MLA (9th ed.) AtıfHenry, John M. Free Enterprise, an Imperative: Nine Essays on "The Moral Imperative of the American Private Enterprise System of Risks and Rewards". Herbert Hoover Presidential Library Association for the Garvey Foundation, Wichita, Kansas, 1975.