Hart, A. G. (1953). Money, debt, and economic activity. Prentice-Hall.
Cita Chicago (17th ed.)Hart, Albert Gailord. Money, Debt, and Economic Activity. Englewood Cliffs, N.J: Prentice-Hall, 1953.
Cita MLA (9th ed.)Hart, Albert Gailord. Money, Debt, and Economic Activity. Prentice-Hall, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.