Cita APA (7a ed.)

Blonigen, B. A., & Soderbery, A. (2009). Measuring the benefits of product variety with an accurate variety set. National Bureau of Economic Research.

Cita Chicago Style (17a ed.)

Blonigen, Bruce A., y Anson Soderbery. Measuring the Benefits of Product Variety with an Accurate Variety Set. Cambridge, MA: National Bureau of Economic Research, 2009.

Cita MLA (9a ed.)

Blonigen, Bruce A., y Anson Soderbery. Measuring the Benefits of Product Variety with an Accurate Variety Set. National Bureau of Economic Research, 2009.