UNDERWOOD JIM. (2002). COMPETITIVE INTELLIGENCE. CAPSTONE.
Chicago Style (17th ed.) CitationUNDERWOOD JIM. COMPETITIVE INTELLIGENCE. U K: CAPSTONE, 2002.
MLA (9th ed.) CitationUNDERWOOD JIM. COMPETITIVE INTELLIGENCE. CAPSTONE, 2002.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.