Hearn, W. E. (1864). Plutology, or, the Theory of the efforts to satisfy human wants. Macmillan ; G. Robertson.
Cita Chicago (17th ed.)Hearn, William Edward. Plutology, or, the Theory of the Efforts to Satisfy Human Wants. London : Melbourne: Macmillan ; G. Robertson, 1864.
Cita MLA (8th ed.)Hearn, William Edward. Plutology, or, the Theory of the Efforts to Satisfy Human Wants. Macmillan ; G. Robertson, 1864.
Atenció: Aquestes cites poden no estar 100% correctes.