APA
Autor D. H., Handel Michael J & National Bureau Of Economic Research. (2009). Putting tasks to the test: Human capital, job tasks and wage. Cambridge: NBER.
Chicago
Autor David H, Handel Michael J and National Bureau Of Economic Research. 2009. Putting tasks to the test: Human capital, job tasks and wage. Cambridge: NBER.
Harvard
Autor D. H., Handel Michael J and National Bureau Of Economic Research. (2009). Putting tasks to the test: Human capital, job tasks and wage. Cambridge: NBER.
MLA
Autor David H, Handel Michael J and National Bureau Of Economic Research. Putting tasks to the test: Human capital, job tasks and wage. Cambridge: NBER. 2009.
