Lohrey, Amanda, compiler
Australian Government Publishing Service, 1988
Buku Referensi
Porter, Hal, 1911-1984
Thomas Nelson and Sons, 1974
Koleksi Publik
Porter, Doug
Australian Council for Overseas Aid, 1985
Buku Teks
Burgess, 1976
Buku Teks
Hollym, 2003
Buku Referensi