Livingston, J. (1971). Compulsive gamblers. U.S. Dept. of Commerce.
Cita Chicago Style (17a ed.)Livingston, Jay. Compulsive Gamblers. Springfield, Va: U.S. Dept. of Commerce, 1971.
Cita MLA (8a ed.)Livingston, Jay. Compulsive Gamblers. U.S. Dept. of Commerce, 1971.
Precaución: Estas citas no son 100% exactas.