DAVIDSON WILLIAM H. (1982). GLOBAL STRATEGIC MANAGEMENT. JOHN WILEY AND SONS.
Lua i Stíl Chicago (17ú heag.)DAVIDSON WILLIAM H. GLOBAL STRATEGIC MANAGEMENT. NEW YORK: JOHN WILEY AND SONS, 1982.
Lua MLA (9ú heag.)DAVIDSON WILLIAM H. GLOBAL STRATEGIC MANAGEMENT. JOHN WILEY AND SONS, 1982.
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