The Chelsea skipper was banned for four matches and find £220,000 by the FA for the incident, but he was cleared of the racially abusing the defender by Westminster Magistrates Court.
Rio has revealed that Terry never sought out him or his brother to apologise in person for the incident.
Ferdinand wrote in his autobiography, which has been serialised in The Sun: "He never apologised to me or to Anton. And he has never hinted that he has ever had a moment of understanding over the damage his stupidity had inflicted on everyone."
Terry retired from international football as a result of his ban and fine from the FA.