http://www-01.sil.org/pacific/png/abstract.asp?id=47680 (Publisher version)
http://www-01.sil.org/pacific/png/pubs/928474539181/Namia_dictionary.pdf (Publisher version)
Feldpausch, B. (Ed.). (2003). Almalu kali, Eyo kali, i Walowei luk kali: Namia, Tok Pisin, and English Dictionary. Ukarumpa: SIL.