Harvard Business Essentials. Time Management. Harvard Business School Press.
Lua i Stíl Chicago (17ú heag.)Harvard Business Essentials. Time Management. Boston: Harvard Business School Press.
Lua MLA (9ú heag.)Harvard Business Essentials. Time Management. Harvard Business School Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.