1. Ad Gentes. (1965). Decree on the Church's Missionary Activity (Ecumenical Council of Vatican II). Dominican Publications.
2. Arndt, P. (2007). Agama Orang Ngadha: Kultus, Pesta dan Persembahan (Vol.II). Puslit Candraditya.
3. Badan Pusat Statistik Kabupaten Ngada. (2020). Jumlah Penduduk Menurut Kecamatan dan Agama (Jiwa), 2018-2020. Ngadakab.Bps.Go.Id. https://ngadakab.bps.go.id/indicator/27/180/1/jumlah-penduduk-menurut-kecamatan-dan-agama.html
4. Bergmann, S. (2003). God in Context: A Survey of Contextual Theology. Aldershot and Burlington.
5. Bevans, S. B. (2002). Models of Contextual Theology (Faith and Cultures Series). Logos Publication.