[publisher not identified], [date of publication not identified]
Buku Teks
Sianturi, Eddy M.T., author
Program Pascasarjana Universitas Indonesia, 2007
UI - Tesis (Membership)
Muhammad Arief, author
Universitas Indonesia, 2000
UI - Tesis (Membership)
Kaloh, Johanis, author
Gramedia Pustaka Utama, 2003
Buku Teks
Misdyanti, author
Bumi Aksara, 1993
Buku Teks