Harris, Marvin, 1927-2001
Simon and Schuster, 1982
Buku Teks SO
Jacobs, Colonel Jack
Berkley Caliber, 2008
Buku Teks
Kubba, Ali
Elsevier, 2005
Buku Teks
McDonagh, Eileen L.
Oxford University Press, 1996
Buku Teks
Rossiter, Clinton, 1917-1970
Harcourt Brace, 1960
Buku Teks SO