APA-ийн эшлэл(7 дахь хэвлэлт)

ebrary, Inc, & David, A. (2011). Competitive intelligence and decision problems. ISTE ; John Wiley & Sons.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

ebrary, Inc, ба Amos David. Competitive Intelligence and Decision Problems. London : Hoboken, N.J.: ISTE ; John Wiley & Sons, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

ebrary, Inc, ба Amos David. Competitive Intelligence and Decision Problems. ISTE ; John Wiley & Sons, 2011.