Referee Guidebook: This manual contains Game Essentials; information regarding how assignments work, what are your obligations as a referee, and other important links. It is a must read before every season, specially if you are a first year referee.
Canada Soccer Handbook: This manual contains in a simple manner what to do before, during and after the game. This is a must read for new referees, and highly recommended to review for experienced officials as well.
Referee signals: Please follow this CSA guide to improve your signaling.