Heller,Robert. (2008). Managing teams ;Motivating people ;How to delegate. Dorling Kindersley.
Chicago Style aipamenaHeller,Robert. Managing Teams ;Motivating People ;How to Delegate. London: Dorling Kindersley, 2008.
MLA aipamenaHeller,Robert. Managing Teams ;Motivating People ;How to Delegate. Dorling Kindersley, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.