WFDF Official Documents 2017WFDF Ultimate Rules 2017 - Official AnnotationsWFDF Rules of Ultimate 2017 - USAU ComparisonWFDF Rules of Ultimate 2017 - Summary of Changes v2WFDF Rules of Ultimate 2017 - FINAL - Track ChangesWFDF Rules of Ultimate 2017 - Appendix v4.0 FINAL FEB 2020WFDF Rules of Ultimate 2017 - Appendix v4.0 - Track ChangesWFDF Rules of Ultimate 2017 - Hand SignalsWFDF Rules of Ultimate 2017 - Prescibed ratio reference sheetWFDF Rules of Ultimate 2017 - GA quick reference guidePolyglot Rules2017 VersionsBRA – Portuguese Regras de ultimateDEU – UltimateregelnESP – Reglas del UltimateFRA – Règles d´UltimateITA – Regolamento dell’UltimateJPN – 年発行WFDF公式ルール