Steiner, Hugo
People of the Longhouse and Jungle Sarawak / Hugo Steiner
Opus Publications Sdn Bhd, 2007
 Buku Teks
Steiner, Hugo
Sarawak: people of the longhouse and jungle
Opus Publication, 2007
 Buku Referensi
Taufik Bawazier
Evaluasi kebijakan untuk menarik kunjungan wisatawan mancanegara ke Indonesia melalui pintu masuk utama
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2001
 UI - Tesis Membership
Zhuji, Zhen
Xi bu you cheng ke la ma yi = 西部油城克拉玛依 = Western oil city Karamay
Publication Internental Press, 2009
 Buku Teks
Wang, Chun-Heng
A simple geography of China / Wang Chun-Heng
Foreign Languages Press, 1958
 Buku Teks