DAVID, F. R. (1986). Cases In Strategic Management Fred R. David. Merrill.
Lua i Stíl Chicago (17ú heag.)DAVID, Fred R. Cases In Strategic Management Fred R. David. Merrill, 1986.
Lua MLA (8ú heag.)DAVID, Fred R. Cases In Strategic Management Fred R. David. Merrill, 1986.
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