APA
Babcock P. S., Marks Mindy & National Bureau Of Economic Research. (2010). The falling time cost of college: Evidence from half a centu. Cambridge: NBER.
Chicago
Babcock Philip S, Marks Mindy and National Bureau Of Economic Research. 2010. The falling time cost of college: Evidence from half a centu. Cambridge: NBER.
Harvard
Babcock P. S., Marks Mindy and National Bureau Of Economic Research. (2010). The falling time cost of college: Evidence from half a centu. Cambridge: NBER.
MLA
Babcock Philip S, Marks Mindy and National Bureau Of Economic Research. The falling time cost of college: Evidence from half a centu. Cambridge: NBER. 2010.
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