Patrick, John
History of the American Nation
Macmillan Publishing Company, 1984
 Buku Teks
Ohrtman, Franklin D.
Softswitch : architecture for VoIP / Franklin D. Ohrtman
McGraw-Hill, 2003
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Scott, Ernest
A short history of Australia / by Ernest Scott
Oxford University Press, 1916
 Buku Teks
Scott, Ernest
A short history of Australia / Ernest Scott
Oxford University Press, 1920
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Scott, Ernest
A short history of Australia / by Ernest Scott
Oxford University Press, 1935
 Buku Teks