Hamel, G. (2012). What matters now: How to win in a world of relentless change, ferocious competition, and unstoppable innovation. Jossey-Bass.
Lua i Stíl Chicago (17ú heag.)Hamel, Gary. What Matters Now: How to Win in a World of Relentless Change, Ferocious Competition, and Unstoppable Innovation. San Francisco: Jossey-Bass, 2012.
Lua MLA (9ú heag.)Hamel, Gary. What Matters Now: How to Win in a World of Relentless Change, Ferocious Competition, and Unstoppable Innovation. Jossey-Bass, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.