Heller,Robert. (2008). Managing teams ;Motivating people ;How to delegate. Dorling Kindersley.
Lua i Stíl Chicago (17ú heag.)Heller,Robert. Managing Teams ;Motivating People ;How to Delegate. London: Dorling Kindersley, 2008.
Lua MLA (8ú heag.)Heller,Robert. Managing Teams ;Motivating People ;How to Delegate. Dorling Kindersley, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.