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Happy Birthday to You Tham khảoThư mục
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Happy Birthday to You Tham khảoLiên quan
Happy (bài hát của Pharrell Williams) Happy Birthday to You Happy Camp Happy (nhân vật manga) Happy Sugar Life Happy-Go-Lucky Happyland Happy New Year (bài hát) Happy Birthday (phim truyền hình) Happy FeetTài liệu tham khảo
WikiPedia: Happy Birthday to You http://www.celebritynetworth.com/articles/entertai... http://www.hollywoodreporter.com/thr-esq/happy-bir... http://www.latimes.com/local/lanow/la-me-ln-happy-... http://www.metrolyrics.com/happy-birthday-lyrics-h... http://www.nytimes.com/1989/12/26/arts/happy-birth... http://www.nytimes.com/2013/06/14/nyregion/lawsuit... http://www.princetoninfo.com/200303/30326p04.html#... http://www.slate.com/id/2298271/ http://www.snopes.com/music/songs/birthday.asp //ssrn.com/abstract=1111624