APA Style
      Buttle, Francis. (2004).
    Customer Relationship Management (Manajemen Hubungan Pelanggan): Concepts And Tools .
    Malang:
  Bayumedia.
  
Chicago Style
      Buttle, Francis.
    Customer Relationship Management (Manajemen Hubungan Pelanggan): Concepts And Tools.
    
    Malang:
  Bayumedia,
  2004.
  Manajemen.
  
IEEE Style
  *IEEE style untuk Skripsi
      Buttle, Francis.
    (2004).
    Customer Relationship Management (Manajemen Hubungan Pelanggan): Concepts And Tools.
    .
  Malang:
  Bayumedia.
  
*IEEE style untuk Buku/Jurnal
      Buttle, Francis.
    Customer Relationship Management (Manajemen Hubungan Pelanggan): Concepts And Tools.
    .
  Malang:
  Bayumedia,
  2004.
  
MLA Style
      Buttle, Francis.
    Customer Relationship Management (Manajemen Hubungan Pelanggan): Concepts And Tools.
    
    Malang:
  Bayumedia,
  2004.
  Manajemen.
  
Turabian Style
      Buttle, Francis.
    Customer Relationship Management (Manajemen Hubungan Pelanggan): Concepts And Tools.
     
    Malang:
  Bayumedia,
  2004.
  Manajemen.