Caiden, Gerald E.
Melbourne University Press, 1965
Buku Teks
Toohey, Brian
William Heinemann Australia, 1989
Buku Teks
Hale & Ireminger, 1992
Buku Teks
Toebagus Lutfi
Fakultas Ilmu Pengetahuan Budaya, 1996
UI - Laporan Penelitian
Cain, Frank
Angus & Roberton Publisher, 1983
Buku Teks