WFTDA Official Rules – online and PDF format
WFTDA Official Rules audio format
WFTDA Official Minimum Skills Requirements (Drills & Skills practical)
WFTDA Official Rules – test (Drills & Skills theory)
WFTDA also has an app for Apple and Android available.
Zebra Huddle – a forum for refs and o players with lots of discussions and clarification of the rules
and test your knowledge here at Roller Derby Test O’Matic!