1. Parenting stress index – Professional manual;Abidin,1995
2. Ethical principles of psychologists and code of conduct;American Psychological Association;American Psychologist,2002
3. 2010 Amendments to the 2002 “Ethical principles of psychologists and code of conduct.”;American Psychological Association;American Psychologist,2010
4. Ethics in on-line data collection;Barchard,2003
5. Attachment and emotional understanding: A study on late-adopted pre-schoolers and their parents;Barone;Child: Care, Health and Development,2012