MASSIE JOSEPH L. (1982). ESSENTIALS OF MANAGEMENT. PRENTICE -HALL INTERNATIONAL, INC.
Lua i Stíl Chicago (17ú heag.)MASSIE JOSEPH L. ESSENTIALS OF MANAGEMENT. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1982.
Lua MLA (9ú heag.)MASSIE JOSEPH L. ESSENTIALS OF MANAGEMENT. PRENTICE -HALL INTERNATIONAL, INC, 1982.
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