Lua APA (7ú heag.)

Lerner, J., & Stern, S. (2014). Innovation policy and the economy 14. National Bureau of Economic Research.

Lua i Stíl Chicago (17ú heag.)

Lerner, Josh, agus Scott Stern. Innovation Policy and the Economy 14. Cambridge: National Bureau of Economic Research, 2014.

Lua MLA (9ú heag.)

Lerner, Josh, agus Scott Stern. Innovation Policy and the Economy 14. National Bureau of Economic Research, 2014.

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