Schlefer, J. (2012). The assumptions economists make. Belknap Press of Harvard University Press.
Cita Chicago (17th ed.)Schlefer, Jonathan. The Assumptions Economists Make. Cambridge, Mass.: Belknap Press of Harvard University Press, 2012.
Cita MLA (8th ed.)Schlefer, Jonathan. The Assumptions Economists Make. Belknap Press of Harvard University Press, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.