Gaya APA
      Thuesen, G, J. (2002).
    Ekonomi Teknik (financial accounting principles and cost systems) (Ed-9).
    Jakarta:
  PT. Prenhallindo.
  
Gaya MLA
      Thuesen, Gerarld, J..
    "Ekonomi Teknik (financial accounting principles and cost systems)".
    Ed-9
    Jakarta:
  PT. Prenhallindo,
  2002.
  Text.