After the game, she says the players have no trouble communicating with referees, or each other,on the court.

VOA: standard.2009.09.10

Complaints about NBA referees growing ugly."

对NBA裁判的投诉,越越来越多"

耶鲁公开课 - 心理学导论课程节选

Several FIFA referees reacted, noting that most of their calls are correct and very few mistakes actually affect the outcome of games.

VOA: standard.2010.06.29

To ensure good communication with the competitors, officials and referees must also be deaf.

VOA: standard.2009.09.10

There are no referees. The players must resolve any disputes themselves.

VOA: standard.2010.07.05

Shoes squeak against the floor. Referees whistle when fouls were made.

VOA: standard.2009.09.10