^John Barrett, ed. (1992). The International Tennis Federation World of Tennis 1992. London: CollinsWillow. pp. 119, 138. ISBN9780002184304.
^"Seles gets dethroned by Capriati". Tampa Bay Times. 5 August 1991. Retrieved 10 April 2023. San Marino ATP: Top-seeded Guillermo Perez Roldan of Argentina successfully defended his title in San Marino, defeating Frederic Fontang of France 6-3, 6-1 in the final. Fontang beat second-seeded Jordi Arrese of Spain earlier in the tournament.