^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj"64ème Giro d'Italia 1981". Memoire du cyclisme (in French). Archived from the original on 25 October 2004.
^ a b c d e f g h i j k l m n o p q r s t u v w x"1981 Giro d'Italia". BikeRaceInfo. Retrieved 22 November 2018.
^ a b"Clasificaciones" [Classifications] (PDF). El Mundo Deportivo (in Spanish). 27 May 1981. p. 30. Retrieved 22 November 2018.
^ a b c d"Clasificaciones" [Classifications] (PDF). El Mundo Deportivo (in Spanish). 29 May 1981. p. 14. Retrieved 22 November 2018.
^ a b"Clasificaciones" [Classifications] (PDF). El Mundo Deportivo (in Spanish). 30 May 1981. p. 24. Retrieved 22 November 2018.
^ a b"Clasificaciones" [Classifications] (PDF). El Mundo Deportivo (in Spanish). 31 May 1981. p. 31. Retrieved 22 November 2018.
^ a b"Clasificaciones" [Classifications] (PDF). El Mundo Deportivo (in Spanish). 1 June 1981. p. 35. Retrieved 22 November 2018.
^ a b c d"Clasificaciones" [Classifications] (PDF). El Mundo Deportivo (in Spanish). 3 June 1981. p. 26. Retrieved 22 November 2018.
^ a b"Clasificaciones" [Classifications] (PDF). El Mundo Deportivo (in Spanish). 5 June 1981. p. 28. Retrieved 22 November 2018.
^ a b"Clasificaciones" [Classifications] (PDF). El Mundo Deportivo (in Spanish). 6 June 1981. p. 26. Retrieved 22 November 2018.
^ a b"Clasificaciones" [Classifications] (PDF). El Mundo Deportivo (in Spanish). 7 June 1981. p. 26. Retrieved 22 November 2018.
^ a b"Clasificaciones" [Classifications] (PDF). El Mundo Deportivo (in Spanish). 8 June 1981. p. 30. Retrieved 22 November 2018.