Walsh, Maximilian
Penguin Books, 1979
Buku Teks
Orchard, W. Arundel
Georgian House, 1952
Buku Teks
Bolton, Geoffrey, author
Oxford University Press, 1990
Buku Teks
Kiyosaki, Robert T., 1947-, author
Gramedia Pustaka Utama, 2019
Buku Teks
Pechman, Joseph A., author
Harvester Wheatsheaf, 1989
Buku Teks