Orange book, 3rd ed. "Archived copy"(PDF). Archived from the original(PDF) on July 26, 2011. Retrieved 2009-05-10.{{cite web}}: CS1 maint: archived copy as title (link)
Orange book, 3rd ed. "Archived copy"(PDF). Archived from the original(PDF) on July 26, 2011. Retrieved 2009-05-10.{{cite web}}: CS1 maint: archived copy as title (link)