Adryanta, author
2008
UI - Skripsi (Open)
edited by Minoru Tomozawa; Robert H. Doremus
Academic Press, 1982
Buku Teks
Knapp, Stephen, author
Rockport Publishers, 1998
Buku Teks
Vandenberg, Maritz, author
Academic Edition, 1997
Buku Teks
Tri Lika Jayanti Budi Ranti, author
Universitas Indonesia, 2013
UI - Skripsi (Membership)