McClelland D. C. (2008). Power is the Great Motivator. Harvard Business School Pub.
Lua i Stíl Chicago (17ú heag.)McClelland D. C. Power Is the Great Motivator. Boston: Harvard Business School Pub, 2008.
Lua MLA (9ú heag.)McClelland D. C. Power Is the Great Motivator. Harvard Business School Pub, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.