Hobson, J. A. (1950). The science of wealth. London: Oxfrod University Press.
Trích dẫn kiểu ChicagoHobson, John Atkinson. The Science of Wealth. London: Oxfrod University Press, 1950.
Deismireacht MLAHobson, John Atkinson. The Science of Wealth. London: Oxfrod University Press, 1950.
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