Ivker, Robert S.
G.P. Putnam's Sons , 1995
Buku Teks
Pimanih, author
2001
UI - Tesis (Membership)
Tunjung Prasetyo Nugroho, author
2016
UI - Tugas Akhir
Bara Langi Tambing, author
1991
UI - Tesis (Membership)
Knight, John F., author
Indonesia Publishing House, 2003
Buku Teks