1. Barreira, D., Garganta, J., and Anguera, T. (2010). In search of nexus between attacking game-patterns, match status and type of ball recovery in European Soccer Championship 2008. In M. Hughes, H. Danes, K. Nagyváradi, T. Polgar, N. James, G. Sporis & G. Vuckovic (Eds.), Research Methods and Performance Analysis. Szombathely: University of West Hungary.
2. Garganta, J. (1997). Modelacäo táctica do jogo de futebol - estudo da organizacäo da fase ofensiva em equipas de alto rendimento. [Tactical modelling in soccer - study about the attacking phase in top level teams]. (Unpublished Ph.D. Thesis), University of Porto, Porto, Portugal.
3. Tabachnick, B., and Fidell, L. (2012). Using Multivariate Statistics: International Edition (6 ed.). London: Pearson Education
4. Teodorescu, L. (1977). Thiorie et mithodologie des jeux sportifs. Paris: Les Editeurs Francais Réunis.
5. Worthington, E. (1974). Learning & Teaching Soccer Skills. North Hollywood: Wilshire Book Company.