Orchard, W. Arundel
Music in australia : more than 159 years of development / W. Arundel Orchard
Georgian House, 1952
 Buku Teks
Bolton, Geoffrey
The Oxford history of Australia; Vol. 5
Oxford University Press, 1990
 Buku Teks
Kiyosaki, Robert T., 1947-
Rich dad poor dad
Gramedia Pustaka Utama, 2019
 Buku Teks
Pechman, Joseph A.
Tax reform, the rich and poor
Harvester Wheatsheaf, 1989
 Buku Teks
Ward, Barbara
The rich nations and the poor nations
W.W. Norton, 1962
 Buku Teks