APA
Blonigen B. A., Soderbery Anson & National Bureau Of Economic Research. (2009). Measuring the benefits of product variety with an accurate v. Cambridge: NBER.
Chicago
Blonigen Bruce A, Soderbery Anson and National Bureau Of Economic Research. 2009. Measuring the benefits of product variety with an accurate v. Cambridge: NBER.
Harvard
Blonigen B. A., Soderbery Anson and National Bureau Of Economic Research. (2009). Measuring the benefits of product variety with an accurate v. Cambridge: NBER.
MLA
Blonigen Bruce A, Soderbery Anson and National Bureau Of Economic Research. Measuring the benefits of product variety with an accurate v. Cambridge: NBER. 2009.