APA
Dutka A., . (2001). Competitive intelligence for the competitive edge. NTC Business Books, Chicago: .
Chicago
Dutka Alan, . 2001. Competitive intelligence for the competitive edge. NTC Business Books, Chicago: .
Harvard
Dutka A., . (2001). Competitive intelligence for the competitive edge. NTC Business Books, Chicago: .
MLA
Dutka Alan, . Competitive intelligence for the competitive edge. NTC Business Books, Chicago: . 2001.