Tài liệu tham khảo WikiPedia: Asphalt 9: Legends http://www.gameloft.com/central/asphalt/asphalt-9-... http://toucharcade.com/2018/02/26/asphalt-9-soft-l... https://asphaltlegends.com/ https://www.gamezebo.com/2018/03/10/15-best-ios-an... https://www.news18.com/news/tech/asphalt-9-legends... https://www.theverge.com/2019/4/23/18511329/2019-w... https://www.youtube.com/watch?v=4_2EIOvFNtY&t https://asphalt9.info
