Wilson, Lindsay
McGraw-Hill , 1975
Buku Teks
Woolford, Donald Mark, author
University of Queensland Press, 1976
Buku Teks
Robson, R.W., author
Pacific Publications PTY, 1954
Buku Teks
Muller, Kal, author
Kerjasama UniversNegeri Papua [dan] Dinas Pendidikan dan Pengajaran, Provinsi Papua, 2005
Buku Teks
Australian Agency for International Development, 1995
Buku Teks