APA
Bloom N. e. a., National Bureau Of Economic Research, . (2009). The distinct effects of information technology and communica. Cambridge: NBER.
Chicago
Bloom Nicholas et al, National Bureau Of Economic Research, . 2009. The distinct effects of information technology and communica. Cambridge: NBER.
Harvard
Bloom N. e. a., National Bureau Of Economic Research, . (2009). The distinct effects of information technology and communica. Cambridge: NBER.
MLA
Bloom Nicholas et al, National Bureau Of Economic Research, . The distinct effects of information technology and communica. Cambridge: NBER. 2009.