Liên kết ngoài Anno (sê-ri trò chơi)

Tài liệu tham khảo

WikiPedia: Anno (sê-ri trò chơi) http://www.mobygames.com/game-group/anno-ad-series http://dawnofdiscoverygame.us.ubi.com/pc/ http://beta.gamesmarkt.de/details/147592 http://beta.gamesmarkt.de/details/418357 https://www.anno-union.com/en https://www.n-tv.de/technik/Platin-fuer-Anno-1503-... https://www.n-tv.de/technik/Teuerstes-Spiel-aus-De... https://web.archive.org/web/20100101213836/https:/... https://web.archive.org/web/20181130014809/http://... https://web.archive.org/web/20181130162131/https:/...