Kunst, Jaap, 1891-1960
Songs of North New Guinea
Koninklijk Bataviaasch Genootschap van Kunsten en Wetenschappen, 1931
 Buku Teks SO
Wilson, Lindsay
Papua New Guinea
McGraw-Hill , 1975
 Buku Teks SO
Indonesian New Guinea Irian Jaya
edited by David Pickell; text and photographs by Kal Muller
Periplus, 1994
 Buku Referensi
Franklin, Karl J
Ritual Pandanus language of New Guinea
Australasian Medical , 1972
 Buku Teks
Woolford, Donald Mark
Papua New Guinea : initiation and independence
University of Queensland Press, 1976
 Buku Teks SO