ABELLA KAY TYTLER. (1986). BUILDING SUCCESSFUL TRAINING PROGRAMMES: A STEP BY STEP GUIDE. ADDISON-WESLEY.
Chicago-referens (17:e uppl.)ABELLA KAY TYTLER. BUILDING SUCCESSFUL TRAINING PROGRAMMES: A STEP BY STEP GUIDE. CALIFORNIA: ADDISON-WESLEY, 1986.
MLA-referens (9:e uppl.)ABELLA KAY TYTLER. BUILDING SUCCESSFUL TRAINING PROGRAMMES: A STEP BY STEP GUIDE. ADDISON-WESLEY, 1986.
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