Leo Suryadinata, Evi Nurvidya Arifin and Aris Ananta. Indonesia's Population: Ethnicity and Religion in a Changing Political Landscape. ISEAS–Yusof Ishak Institute, 2003, p. 23: Table 1.2.1. Ethnic Groups of Indonesian Citizens: East Nusa Tenggara, 2000 DOI:10.1355/9789812305268