GREENE C L. (2001). ENTREPRENEURSHIP IDEAS IN ACTION. SOUTH - WESTERN PUB. CO.
Lua i Stíl Chicago (17ú heag.)GREENE C L. ENTREPRENEURSHIP IDEAS IN ACTION. BOSTON: SOUTH - WESTERN PUB. CO, 2001.
Lua MLA (9ú heag.)GREENE C L. ENTREPRENEURSHIP IDEAS IN ACTION. SOUTH - WESTERN PUB. CO, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.