Australian.Department of Education
Australian Government Publishing Service, 1979
Buku Referensi
edited by Richard Hofstadter and Wilson Smith
University of Chicago Press, 1961
Buku Teks
DeVane, William Clyde, author
Harvard University Press, 1965
Buku Teks
revised and updated by Sandy Norman
Library Association Publishing, 1999
Buku Teks
Rockart, John Fralick, author
McGraw-Hill, 1975
Buku Teks