Forsyth, P. (2005). How to motivate people. Kogan Page.
Lua i Stíl Chicago (17ú heag.)Forsyth, Patrick. How to Motivate People. New Delhi: Kogan Page, 2005.
Lua MLA (8ú heag.)Forsyth, Patrick. How to Motivate People. Kogan Page, 2005.
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