"911 Sū-kiāⁿ" pán-pún chi-kan bô-kāng--ê tē-hng

| 40<ref>{{Cite web|url=http://www.post-gazette.com/headlines/20011028flt93mainstoryp7.asp |title=Flight 93: Forty lives, one destiny |publisher=Pittsburgh Post-Gazette |date=October 2001|last=Roddy |first=Dennis B.|authorlink=Dennis Roddy|accessdate=September 7, 2006| archiveurl = http://www.webcitation.org/5KmMRkIhh | archivedate = 2006-11-30| deadurl=no}}</ref>