Gaya APA
      al., W, E. (1997).
    Accounting Information System : Essential Concepts And Applications (Ed.4 Cet.1).
    Amerika:
  John Wiley.
  
Gaya MLA
      al., Wilkinson, Et.
    "Accounting Information System : Essential Concepts And Applications".
    Ed.4 Cet.1
    Amerika:
  John Wiley,
  1997.
  Text.