Lohrey, Amanda, compiler
Australian Government Publishing Service, 1988
Buku Referensi
Canbera: Australian Government Publishing service, 1980,
Buku Referensi
McGregor, Craig
Hodder and Stoughton, 1981
Buku Teks
Morrison, John
Rigby, 1973
Buku Teks
Stone, Carolyn R.
Wren Publishing, 1974
Buku Referensi