Cook, S. (2008). The essential guide to employee engagement: Better business performance through staff satisfaction. Kogan Page.
Lua i Stíl Chicago (17ú heag.)Cook, Sarah. The Essential Guide to Employee Engagement: Better Business Performance Through Staff Satisfaction. London ; Philadelphia: Kogan Page, 2008.
Lua MLA (9ú heag.)Cook, Sarah. The Essential Guide to Employee Engagement: Better Business Performance Through Staff Satisfaction. Kogan Page, 2008.
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