Hänvisningar gällande denna post

APA-referens (7:e uppl.)
ebrary, Inc, Freeman, R. B., & Goroff, D. L. (2009). Science and engineering careers in the United States: An analysis of markets and employment. University of Chicago Press.
Chicago-referens (17:e uppl.)
ebrary, Inc, Richard B. Freeman, och Daniel L. Goroff. Science and Engineering Careers in the United States: An Analysis of Markets and Employment. Chicago: University of Chicago Press, 2009.
MLA-referens (9:e uppl.)
ebrary, Inc, et al. Science and Engineering Careers in the United States: An Analysis of Markets and Employment. University of Chicago Press, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.