Heller,Robert. (2008). Managing teams ;Motivating people ;How to delegate. Dorling Kindersley.
Citazione stile Chigago Style (17a edizione)Heller,Robert. Managing Teams ;Motivating People ;How to Delegate. London: Dorling Kindersley, 2008.
Citatione MLA (8a ed.)Heller,Robert. Managing Teams ;Motivating People ;How to Delegate. Dorling Kindersley, 2008.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.