YAVITZ BORIS. (1982). STRATEGY IN ACTION THE EXECUTION POLITICS & PAYOFF BUSINESS PLANNING. FREE PRESS.
Lua i Stíl Chicago (17ú heag.)YAVITZ BORIS. STRATEGY IN ACTION THE EXECUTION POLITICS & PAYOFF BUSINESS PLANNING. NEW YORK: FREE PRESS, 1982.
Lua MLA (9ú heag.)YAVITZ BORIS. STRATEGY IN ACTION THE EXECUTION POLITICS & PAYOFF BUSINESS PLANNING. FREE PRESS, 1982.
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