HUMPHRIES JOHN. (2000). HOW TO MANAGE PEOPLE AT WORK. JAICO.
Lua i Stíl Chicago (17ú heag.)HUMPHRIES JOHN. HOW TO MANAGE PEOPLE AT WORK. MUMBAI: JAICO, 2000.
Lua MLA (9ú heag.)HUMPHRIES JOHN. HOW TO MANAGE PEOPLE AT WORK. JAICO, 2000.
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