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Lua i Stíl Chicago (17ú heag.)Cuervo, lvaro, Domingo Ribeiro, agus Salvador Roig. Entrepreneurship: Concepts, Theory and Perspective. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. https://doi.org/10.1007/978-3-540-48543-8.
Lua MLA (9ú heag.)Cuervo, lvaro, et al. Entrepreneurship: Concepts, Theory and Perspective. Springer Berlin Heidelberg, 2007. https://doi.org/10.1007/978-3-540-48543-8.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.