Sheal, P. (1999). The art of HRD: The staff development handbook. Crest Publishing House.
Chicago-viite (17. p.)Sheal, Peter. The Art of HRD: The Staff Development Handbook. New Delhi: Crest Publishing House, 1999.
MLA-viite (8. p.)Sheal, Peter. The Art of HRD: The Staff Development Handbook. Crest Publishing House, 1999.
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