Panić, D., D. Radojković, and M. Hadži Pešić. “Perfectionism - Positive or Negative Feature? Relationship With Subjective Well-Being, Optimism and Pessimism”. Primenjena Psihologija, vol. 8, no. 1, Mar. 2015, pp. 83-100, doi:10.19090/pp.2015.1.83-100.