Wilson, Donald W.
The long journey from turmoil to self-sufficiency
Yayasan Persada Nusantara, 1989
 Buku Teks
Harimau cave and the long journey of oku civilization
edited by Truman Simanjuntak; English translation by: Nin Bakdisoemanto, Ig Krishna Dharma
Gadjah Mada University Press, 2016
 Buku Teks
Attitudes towards the European union in Turkey: the role of perceived threats and benefits
 Artikel Jurnal
The journey
Brunei Press Sdn Bhd, 1999
 Buku Referensi
Sarita Amelinda
Perdebatan dalam keanggotaan Turki di Uni Eropa = Debates on Turkey's membership in the European Union
2016
 UI - Tugas Akhir