Lua APA (7ú heag.)
Hillmon, S. J. (2014). Getting a Ph.D. in economics. University of Pennsylvania Press.
Lua i Stíl Chicago (17ú heag.)
Hillmon, Stuart J. Getting a Ph.D. in Economics. Philadelphia, Pennsylvania: University of Pennsylvania Press, 2014.
Lua MLA (9ú heag.)
Hillmon, Stuart J. Getting a Ph.D. in Economics. University of Pennsylvania Press, 2014.
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