APA-čujuhus (7. p.)
Gilad, B. (2004). Early warning: Using competitive intelligence to anticipate market shifts, control risk, and create powerful strategies. AMACOM.
Chicago-čujuhus (17. p.)
Gilad, Benjamin. Early Warning: Using Competitive Intelligence to Anticipate Market Shifts, Control Risk, and Create Powerful Strategies. New York: AMACOM, 2004.
MLA-čujuhus (9. p.)
Gilad, Benjamin. Early Warning: Using Competitive Intelligence to Anticipate Market Shifts, Control Risk, and Create Powerful Strategies. AMACOM, 2004.
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