एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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