Roberts, M. (1999). Change management excellence: Putting NLP to work in the 21st century. Crown House Pub.
Chicago-viite (17. p.)Roberts, Martin. Change Management Excellence: Putting NLP to Work in the 21st Century. Carmarthen: Crown House Pub, 1999.
MLA-viite (8. p.)Roberts, Martin. Change Management Excellence: Putting NLP to Work in the 21st Century. Crown House Pub, 1999.
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