Martin, R. L. (2015). Getting beyond better: How social entrepreneurship works. Harvard Business Review Press.
Lua i Stíl Chicago (17ú heag.)Martin, Roger L. Getting Beyond Better: How Social Entrepreneurship Works. Boston, Massachusetts: Harvard Business Review Press, 2015.
Lua MLA (9ú heag.)Martin, Roger L. Getting Beyond Better: How Social Entrepreneurship Works. Harvard Business Review Press, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.