Silalahi, Ria Yunita Devianty, author
Universitas Indonesia, 2002
UI - Skripsi (Membership)
Kaihatu, J.E., author
Djambatan, 1970
Buku Klasik
Wiwoho Soedjono, author
Rineka Cipta, 1993
Buku Teks
Harriza Harmaily, author
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Christhoper Imantaka, author
2017
UI - Skripsi (Membership)