APA
Branstetter L., National Bureau of Economic Research, Glennon B. J. & Jensen B. (2018). Knowledge transfer abroad. Cambridge: NBER.
Chicago
Branstetter Lee, National Bureau of Economic Research, Glennon Britta J and Jensen Bradford. 2018. Knowledge transfer abroad. Cambridge: NBER.
Harvard
Branstetter L., National Bureau of Economic Research, Glennon B. J. and Jensen B. (2018). Knowledge transfer abroad. Cambridge: NBER.
MLA
Branstetter Lee, National Bureau of Economic Research, Glennon Britta J and Jensen Bradford. Knowledge transfer abroad. Cambridge: NBER. 2018.