Greenall, A., Barker, A., French, A., & Allcock, D. (2003). The Management Performance and Development Manual. Penguin Books.
Chicago-viite (17. p.)Greenall, Anthony, Alan Barker, Astrid French, ja Debra Allcock. The Management Performance and Development Manual. London ; New Delhi: Penguin Books, 2003.
MLA-viite (8. p.)Greenall, Anthony, et al. The Management Performance and Development Manual. Penguin Books, 2003.
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