APA
Feng L., National Bureau of Economic Research, Li Z. & Swenson D. L. (2012). The Connection between imported intermediate inputs and expo. Cambridge: NBER.
Chicago
Feng Ling, National Bureau of Economic Research, Li Zhiyuan and Swenson Deborah L. 2012. The Connection between imported intermediate inputs and expo. Cambridge: NBER.
Harvard
Feng L., National Bureau of Economic Research, Li Z. and Swenson D. L. (2012). The Connection between imported intermediate inputs and expo. Cambridge: NBER.
MLA
Feng Ling, National Bureau of Economic Research, Li Zhiyuan and Swenson Deborah L. The Connection between imported intermediate inputs and expo. Cambridge: NBER. 2012.