Karlof, B., & Gilderson , A. (1987). Business strategy in practice. John Wiley & Sons.
Cita Chicago (17th ed.)Karlof, Bengt, i Alan Gilderson. Business Strategy in Practice. Chichester, England ; New York: John Wiley & Sons, 1987.
Cita MLA (9th ed.)Karlof, Bengt, i Alan Gilderson. Business Strategy in Practice. John Wiley & Sons, 1987.