The plural of referee is referees.
Any standard whistle used by referees in any other sport will work.
Umpires and referees are involved in a wide range of sports. The referee is there to impose the rules and ensure that the game is played fairly. Generally the umpires are there to assist the referee in making decisions. Depending on the sport, some umpires have some specific duties.
In a tournament, there are five referees. There are four flag referees and one main referee. The flag referees raise the flag with the color of the opponent scoring a point. The final decision is made by the main referee.
Soccer referees are graded by levels, not by classes. Informally, a referee might be considered "Class A" if they are certified International referees.
4 feferees. The main referee, two line referees, and the 4th referee who controls the board for substitutions.
Cheryl doesn't have a referee. :/
as a minium 1 referee and 2 assistant referees.
There are four referees for a game of football, two linesmen, one main referee and the 4th referee to show the time and to replace the referee if he falls sick ,like a catch in the leg.
Basketball officials are called referees. In the NBA there are three referees assigned to each game. One referee is referred to as the Lead or Head Referee.
there is only 1 referee in tennis