Gawlik, R., R. Titarenko, i S. Titov. „Perception of Quality of Life and Its Components Among Russian Students – Implications for Academic Teaching”. Horyzonty Polityki, T. 6, nr 16, wrzesień 2015, s. 127-50, https://horyzontypolityki.ignatianum.edu.pl/HP/article/view/683.