World Sailing Call Book for Team Racing 2017 – 2020:

http://www.sailing.org/tools/documents/TheCallBookforTeamRacing2017digital-[21946].pdf

2018 Supplement to the World Sailing Call Book for Team Racing 2017 – 2020:

http://www.sailing.org/tools/documents/2018TeamRacingCallBookSupplement-[23785].pdf