Zimbalist, A. S. (2010). Circling the bases: Essays on the challenges and prospects of the sports industry. Temple University Press.
Lua i Stíl Chicago (17ú heag.)Zimbalist, Andrew S. Circling the Bases: Essays on the Challenges and Prospects of the Sports Industry. Philadelphia: Temple University Press, 2010.
Lua MLA (9ú heag.)Zimbalist, Andrew S. Circling the Bases: Essays on the Challenges and Prospects of the Sports Industry. Temple University Press, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.