APA
Aw B. Y., Xu Daniel Yi, Roberts Mark J & National Bureau Of Economic Research. (2009). R&D investment, exporting, and productivity dynamics. Cambridge: NBER.
Chicago
Aw Bee Yan, Xu Daniel Yi, Roberts Mark J and National Bureau Of Economic Research. 2009. R&D investment, exporting, and productivity dynamics. Cambridge: NBER.
Harvard
Aw B. Y., Xu Daniel Yi, Roberts Mark J and National Bureau Of Economic Research. (2009). R&D investment, exporting, and productivity dynamics. Cambridge: NBER.
MLA
Aw Bee Yan, Xu Daniel Yi, Roberts Mark J and National Bureau Of Economic Research. R&D investment, exporting, and productivity dynamics. Cambridge: NBER. 2009.