APA Style
      CHAN, Syafruddin. (2003).
    Relationship Marketing.STIE .
    Jakarta:
  Gramedia Pustaka Utama.
  
Chicago Style
      CHAN, Syafruddin.
    Relationship Marketing.STIE.
    
    Jakarta:
  Gramedia Pustaka Utama,
  2003.
  Text.
  
MLA Style
      CHAN, Syafruddin.
    Relationship Marketing.STIE.
    
    Jakarta:
  Gramedia Pustaka Utama,
  2003.
  Text.
  
Turabian Style
      CHAN, Syafruddin.
    Relationship Marketing.STIE.
     
    Jakarta:
  Gramedia Pustaka Utama,
  2003.
  Print.