Fred R David , F. R. D., & Forest R David. (2020). Strategic Management Concepts (16th ed.). Pearson.
Lua i Stíl Chicago (17ú heag.)Fred R David , Forest R David, agus Forest R David. Strategic Management Concepts. 16th ed. Delhi: Pearson, 2020.
Lua MLA (9ú heag.)Fred R David , Forest R David, agus Forest R David. Strategic Management Concepts. 16th ed. Pearson, 2020.
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