Tarigan, Paskalis Lesmana Napoleon, author
Universitas Indonesia, 2012
UI - Tesis (Open)
Hutabarat, Harry Dolly, author
Universitas Indonesia, 2013
UI - Tesis (Membership)
Fatmawati, author
Djokosoetono Research Center, FH UI, 2015
UI - Publikasi
Smith, Robert J.
Stanford Univerisity Press, 1974
Buku Teks
Artikel Jurnal