Hobson, J. A. (1911). The science of wealth. Williams and Norgate.
Cita Chicago (17th ed.)Hobson, John Atkinson. The Science of Wealth. Londres: Williams and Norgate, 1911.
Cita MLA (9th ed.)Hobson, John Atkinson. The Science of Wealth. Williams and Norgate, 1911.
Atenció: Aquestes cites poden no estar 100% correctes.