APA Style
      Roessing, Rolf M. von. (2010).
    The business model for information security .
    United States of America:
  ISACA.
  
Chicago Style
      Roessing, Rolf M. von.
    The business model for information security.
    
    United States of America:
  ISACA,
  2010.
  E-Book Teknik Informatika.
  
MLA Style
      Roessing, Rolf M. von.
    The business model for information security.
    
    United States of America:
  ISACA,
  2010.
  E-Book Teknik Informatika.
  
Turabian Style
      Roessing, Rolf M. von.
    The business model for information security.
     
    United States of America:
  ISACA,
  2010.
  E-Book Teknik Informatika.