Цыбаков, Дмитрий Леонидович. “MODERN PROBLEMS OF CIVIL AND LEGAL REGULATION OF TOURIST SERVICES”. Среднерусский вестник общественных наук, vol. 12, no. 5, May 2017, pp. 108-15, https://doi.org/10.22394/2071-2367-2017-12-5-108-115.