Gaya APA
      Dubrin, A, J. (1996).
    Essential of management (Ed. IV).
    South-Western:
  International Thomson Publishing.
  
Gaya MLA
      Dubrin, Andrew, J..
    "Essential of management".
    Ed. IV
    South-Western:
  International Thomson Publishing,
  1996.
  Manajemen Administrasi D3.