BLACK, J. M. Developing Competent Subordinates James Menzies Black. American Management Associatio.
Lua i Stíl Chicago (17ú heag.)BLACK, James Menzies. Developing Competent Subordinates James Menzies Black. American Management Associatio.
Lua MLA (8ú heag.)BLACK, James Menzies. Developing Competent Subordinates James Menzies Black. American Management Associatio.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.