Hasluck, Paul, author
Australian War Memorial, 1952
Buku Teks
Burns, James McGregor, author
Prentice-Hall, 1972
Buku Teks
Burns, James McGregor, author
Prentice-Hall, 1989
Buku Teks
Seckler-Hudson, Catheryn, author
United State Information Service, 1959
Buku Teks
The America University, [date of publication not identified]
Buku Teks