Byrt, W.J.
McGraw-Hill Book, 1972
Buku Teks
Deutsch, Karl Wolfgang, 1912-1992
Houghton Mifflin, 1970
Buku Teks
Jupp, James
London Melbourne University Press 1964
Buku Teks
Aitkin, Donald Alexander
Australian National University Press, 1982
Buku Teks
Crisp, L.F. (Leslie Finlay)
Yale University Press, 1949
Buku Teks