Cita APA (7th ed.)
Hillmon, S. J. (2014). Getting a Ph.D. in economics. University of Pennsylvania Press.
Cita Chicago (17th ed.)
Hillmon, Stuart J. Getting a Ph.D. in Economics. Philadelphia, Pennsylvania: University of Pennsylvania Press, 2014.
Cita MLA (9th ed.)
Hillmon, Stuart J. Getting a Ph.D. in Economics. University of Pennsylvania Press, 2014.
Atenció: Aquestes cites poden no estar 100% correctes.