Liên quan 21 21 (album của Adele) 21st Century Breakdown 21 Savage 2147483647 (số) 21 tháng 5 21st Century Fox 21 tháng 3 21 phát đại bác 216 Kleopatra
Tài liệu tham khảo WikiPedia: 21 Guns (bài hát) http://www.austriancharts.at/showitem.asp?interpre... http://charts.orf.at/oe3/records/128404/main?chart... http://www.aria.com.au/pages/aria-charts-end-of-ye... http://www.mediaforest.biz/WeeklyCharts/HistoryWee... http://www.billboard.com/artist/303108/green+day/c... http://www.billboard.com/charts/2009/year-end http://italiancharts.com/showitem.asp?interpret=Gr... http://www.metrolyrics.com/21-guns-lyrics-green-da... http://swisscharts.com/year.asp?key=2009 http://www.fimi.it/dett_ddmercato.php?id=47
