(1957). Three eassays on the state of economic science. McGraw-Hill.
Cita Chicago (17th ed.)Three Eassays on the State of Economic Science. New York: McGraw-Hill, 1957.
Cita MLA (9th ed.)Three Eassays on the State of Economic Science. McGraw-Hill, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.