Greenberg, H. How to hire and develop your next top performer. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Greenberg, Herb. How to Hire and Develop Your Next Top Performer. McGraw-Hill.
Lua MLA (8ú heag.)Greenberg, Herb. How to Hire and Develop Your Next Top Performer. McGraw-Hill.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.