Papua New Guinea : improving the investment climate
Australian Agency for International Development, 1995
 Buku Teks SO
Wilson, Lindsay
Papua New Guinea
McGraw-Hill , 1975
 Buku Teks SO
Woolford, Donald Mark
Papua New Guinea : initiation and independence
University of Queensland Press, 1976
 Buku Teks SO
Robson, R.W.
Handbook of Papua and New Guinea 1954
Pacific Publications PTY, 1954
 Buku Teks SO
Maher, Robert F.
New men of Papua : a study in culture change / Robert F. Maher
The University of Wisconsin Press, 1961
 Buku Teks SO