Tài liệu tham khảo WikiPedia: Retro_Studios http://www.1up.com/do/newsStory?cId=3143782 http://www.1up.com/news/ex-metroid-prime-devs-form... http://www.computerandvideogames.com/article.php?i... http://www.gamespot.com/news/2863826.html http://www.n-sider.com/gameview.php?gameid=153&vie... http://e3.nintendo.com/iwata-asks/#/?v=iwataasks_t... http://iwataasks.nintendo.com/interviews/#/3ds/mar... http://www.nintendolife.com/news/2017/06/metroid_p... http://www.nintendolife.com/news/2018/09/anniversa... http://www.nintendoworldreport.com/interview/11162...
