1. Transparency International (1995). Press release: New Zaeland best, Indonesia worst in world poll of international corruption. https://www.transparency.org/files/content/tool/1995_CPI_EN.pdf . Accessed 18 May 2017.
2. Bunte, M., & Ufen, A. (2009). The new order and its legacy: Reflections on democratization in Indonesia. In M. Bunte & A. Ufen (Eds.), Democratization in post-Soeharto Indonesia (pp. 5–25). New York: Routledge.
3. Robertson-Snape, F. (1999). Corruption, collusion and nepotism in Indonesia. Third World Quarterly, 20(3), 589–602.
4. Transparency International (2017). Corruption Perception Index 2016. https://www.transparency.org . Accessed 14 May 2017.
5. Komisi Pemberantasan Korupsi (2006). Memahami untuk membasmi: buku saku untuk memahami tindak pidana korupsi. https://www.kpk.go.id/gratifikasi/BP/buku_saku_korupsi.pdf . Accessed 14 May 2017.