Estey, J. A. (1950). Business cycles: Their nature, cause, and control (2nd ed.). Prentice-Hall.
Cita Chicago (17th ed.)Estey, James Arthur. Business Cycles: Their Nature, Cause, and Control. 2nd ed. New York: Prentice-Hall, 1950.
Cita MLA (9th ed.)Estey, James Arthur. Business Cycles: Their Nature, Cause, and Control. 2nd ed. Prentice-Hall, 1950.
Atenció: Aquestes cites poden no estar 100% correctes.