Tangko

Classification: Trans-New Guinea

·

endangered

  • Endangered Languages Catalogue Project. Compiled by research teams at University of Hawai'i Mānoa and Institute for Language Information and Technology (LINGUIST List) at Eastern Michigan University . (2012) ·

  • World Oral Literature Project . http://www.oralliterature.org

  • Glottolog . http://www.glottolog.org/glottolog/

  • Ethnologue: Languages of the World, 18th Edition . (2015) · edited by Lewis, M. Paul, Gary F. Simons, and Charles D. Fennig · SIL International http://www.ethnologue.com

  • Upper Digul Survey . Hughes, Jock (2009) ·