Afifi, A., Clark, V. And May, S. (2004). Computer-Aided Multivariate Analysis. 4th ed. Boca Raton, FL: Chapman & Hall/CRC.
Bezzina, F. And Grima, S. (2012). Exploring factors affecting the proper use of derivatives: An empirical study with active users and controllers of derivatives. Managerial Finance, 38(4), 414-434. (Emerald Group Publishing Ltd.).
Reynolds-Moehrle, J. (2005). Management's disclosure of hedging activity: An empirical investigation of analysts' and investors' reactions. International Journal of Managerial Finance, 1(2), 108-122.
Saunders, M. (2003) Research Methods for Business Students. New York, NY: Pearson Education.