APA-viite (7. p.)
ebrary, Inc, & David, A. (2011). Competitive intelligence and decision problems. ISTE ; John Wiley & Sons.
Chicago-viite (17. p.)
ebrary, Inc, ja Amos David. Competitive Intelligence and Decision Problems. London : Hoboken, N.J.: ISTE ; John Wiley & Sons, 2011.
MLA-viite (9. p.)
ebrary, Inc, ja Amos David. Competitive Intelligence and Decision Problems. ISTE ; John Wiley & Sons, 2011.
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