VERMA, V. K. (1996). Human Resource Skills For The Project Managers Volume 2. Project Management Institute.
Lua i Stíl Chicago (17ú heag.)VERMA, Vijay K. Human Resource Skills For The Project Managers Volume 2. Project Management Institute, 1996.
Lua MLA (8ú heag.)VERMA, Vijay K. Human Resource Skills For The Project Managers Volume 2. Project Management Institute, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.