Convis, G. L. (2012). The Toyata Way to Lean Leadership Liker, Jeffrey K. PHI Learning Pvt. Ltd.
Lua i Stíl Chicago (17ú heag.)Convis, Gary L. The Toyata Way to Lean Leadership Liker, Jeffrey K. New Delhi: PHI Learning Pvt. Ltd, 2012.
Lua MLA (9ú heag.)Convis, Gary L. The Toyata Way to Lean Leadership Liker, Jeffrey K. PHI Learning Pvt. Ltd, 2012.
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