Revision 1
Beslutad 2013-08-21
Bryman, Alan. (2016). Social research methods. Fifth ed. Oxford: Oxford University Press
Järvinen, Pertti. (2004). On research methods. 3. ed. Tampere: Opinpajan Kirja
Pallant, Julie. (2010). SPSS survival manual : a step by step guide to data analysis using SPSS. 4. ed. Maidenhead: Open University Press/McGrawHill
Vetenskapliga artiklar tillkommer.