兰茨伯格. (2009). 高效能人士的3项卓越管理: Great management of high efficiency people. 陕西师范大学出版社.
Lua i Stíl Chicago (17ú heag.)兰茨伯格. 高效能人士的3项卓越管理: Great Management of High Efficiency People. 陕西师范大学出版社, 2009.
Lua MLA (8ú heag.)兰茨伯格. 高效能人士的3项卓越管理: Great Management of High Efficiency People. 陕西师范大学出版社, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.