Cita APA

Sorenson, O. Zoltan J. Acs, Catherine Armington: Entrepreneurship, geography, American economic growth.

Chicago Style Citation

Sorenson, Olav. Zoltan J. Acs, Catherine Armington: Entrepreneurship, Geography, American Economic Growth.

Cita MLA

Sorenson, Olav. Zoltan J. Acs, Catherine Armington: Entrepreneurship, Geography, American Economic Growth.

Atenció: Aquestes cites poden no estar 100% correctes.