JOHNSON, G. (2011). EXPLORING CORPORATE STRATEGY (7TH ED.). PEARSON EDUCATION.
Lua i Stíl Chicago (17ú heag.)JOHNSON, GERRY. EXPLORING CORPORATE STRATEGY. 7TH ED. NEW DELHI: PEARSON EDUCATION, 2011.
Lua MLA (9ú heag.)JOHNSON, GERRY. EXPLORING CORPORATE STRATEGY. 7TH ED. PEARSON EDUCATION, 2011.
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