KOTTER JOHN. (2006). OUR ICEBERG IS MELTING: CHANGING AND SUCEEDING UNDER ANY CONDITIONS. MACMILLAN.
Lua i Stíl Chicago (17ú heag.)KOTTER JOHN. OUR ICEBERG IS MELTING: CHANGING AND SUCEEDING UNDER ANY CONDITIONS. LONDON: MACMILLAN, 2006.
Lua MLA (9ú heag.)KOTTER JOHN. OUR ICEBERG IS MELTING: CHANGING AND SUCEEDING UNDER ANY CONDITIONS. MACMILLAN, 2006.
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