PRIOR JOHN. (1996). ENCYCLOPAEDIA OF MANAGEMENT: TRAINING AND DEVELOPMENT. JAICO PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)PRIOR JOHN. ENCYCLOPAEDIA OF MANAGEMENT: TRAINING AND DEVELOPMENT. MUMBAI: JAICO PUBLISHING HOUSE, 1996.
Lua MLA (9ú heag.)PRIOR JOHN. ENCYCLOPAEDIA OF MANAGEMENT: TRAINING AND DEVELOPMENT. JAICO PUBLISHING HOUSE, 1996.
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