^ abFoley, William A. (2018). "The Languages of the Sepik-Ramu Basin and Environs". In Palmer, Bill (ed.). The Languages and Linguistics of the New Guinea Area: A Comprehensive Guide. The World of Linguistics. Vol. 4. Berlin: De Gruyter Mouton. pp. 197–432. ISBN978-3-11-028642-7.
Minch, Andrew (1992). "Amanab grammar essentials". In John R. Roberts (ed.). Namia and Amanab grammar essentials. Data Papers on Papua New Guinea Languages, 39. Ukarumpa: Summer Institute of Linguistics. pp. 99–173.