Karlof, B., & Gilderson , A. (1987). Business strategy in practice. John Wiley & Sons.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Karlof, Bengt, ба Alan Gilderson. Business Strategy in Practice. Chichester, England ; New York: John Wiley & Sons, 1987.
MLA -ийн эшлэл (9 дэх хэвлэлт)Karlof, Bengt, ба Alan Gilderson. Business Strategy in Practice. John Wiley & Sons, 1987.