APA Style
      Sahanaya, Wendy. (1991).
    Secretarial contacts: communication skills for secretaries and personal assistants: study notes .
    Jakarta:
  Universitas Terbuka.
  
Chicago Style
      Sahanaya, Wendy.
    Secretarial contacts: communication skills for secretaries and personal assistants: study notes.
    
    Jakarta:
  Universitas Terbuka,
  1991.
  PMKPK (Pengelolaan Mata Kuliah.
  
IEEE Style
  *IEEE style untuk Skripsi
      Sahanaya, Wendy.
    (1991).
    Secretarial contacts: communication skills for secretaries and personal assistants: study notes.
    .
  Jakarta:
  Universitas Terbuka.
  
*IEEE style untuk Buku/Jurnal
      Sahanaya, Wendy.
    Secretarial contacts: communication skills for secretaries and personal assistants: study notes.
    .
  Jakarta:
  Universitas Terbuka,
  1991.
  
MLA Style
      Sahanaya, Wendy.
    Secretarial contacts: communication skills for secretaries and personal assistants: study notes.
    
    Jakarta:
  Universitas Terbuka,
  1991.
  PMKPK (Pengelolaan Mata Kuliah.
  
Turabian Style
      Sahanaya, Wendy.
    Secretarial contacts: communication skills for secretaries and personal assistants: study notes.
     
    Jakarta:
  Universitas Terbuka,
  1991.
  PMKPK (Pengelolaan Mata Kuliah.