WYLIE PETER. (1992). PROBLEM EMPLOYEES ,HOW TO IMPROVE THEIR PERFORMONCE ,A STEP BY STEP APPROACH. GALGOTIA PUBLICATIONS.
Lua i Stíl Chicago (17ú heag.)WYLIE PETER. PROBLEM EMPLOYEES ,HOW TO IMPROVE THEIR PERFORMONCE ,A STEP BY STEP APPROACH. NEW DELHI: GALGOTIA PUBLICATIONS, 1992.
Lua MLA (9ú heag.)WYLIE PETER. PROBLEM EMPLOYEES ,HOW TO IMPROVE THEIR PERFORMONCE ,A STEP BY STEP APPROACH. GALGOTIA PUBLICATIONS, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.