Gaya APA
      Gaspersz, V. (2003).
    ISO 9001: 2000 and continual quality improvement .
    Jakarta:
  PT.Gramedia pustaka utama.
  
Gaya MLA
      Gaspersz, Vincent.
    "ISO 9001: 2000 and continual quality improvement".
    
    Jakarta:
  PT.Gramedia pustaka utama,
  2003.
  Manajemen Administrasi D3.