Cita APA (7th ed.)

Mowery, D. C., & Ziedonis, A. A. (2001). The geographic reach of market and non-market channels of technology transfer: Comparing citations and licenses of university patents. National Bureau of Economic Research.

Cita Chicago (17th ed.)

Mowery, David C., i Arvids A. Ziedonis. The Geographic Reach of Market and Non-market Channels of Technology Transfer: Comparing Citations and Licenses of University Patents. Cambridge, Mass: National Bureau of Economic Research, 2001.

Cita MLA (9th ed.)

Mowery, David C., i Arvids A. Ziedonis. The Geographic Reach of Market and Non-market Channels of Technology Transfer: Comparing Citations and Licenses of University Patents. National Bureau of Economic Research, 2001.