MAIN BIBLIOGRAPHY:
     
  - Chernick, M.R., & Friis, R.H. (2003). Introductory biostatistics for the health sciences. New Jersey: Wiley-Interscience.
- Field, A. (2009). Discovering statistics with SPSS (3ª ed.) SAGE Publications Ltd.
- Hair, J.F., Anderson, R.E., Tatham, R.L., & Black, W.C. (1998). Multivariate data analysis. 5th Edition. New Jersey: Prentice-Hall.
- Marôco, J. (2018). Análise Estatística com o SPSS Statistics.: 7ª edição. ReportNumber, Lda.
- Norman, G.R., & Streiner, D.L. (2008). Biostatistics. The bare essentials. (3rd Edition). Hamilton: B.C.Decker Inc.
- Tabachnick, B.G. & Fidell, L.S.(1996). Using multivariate statistics. 4th Edition. Boston: Allyn and Bacon.

  SECONDARY BIBLIOGRAPHY :
     
  - Oliveira, A.G. (2009). Bioestatística, epidemiologia e investigação. Lisboa: Lidel
- Belle, G., Fisher, L.D., Heagerty, P.J., & Lumley, T. (2004). Biostatistics. (2nd Edition). New Jersey: Wiley-Interscience.