1. Press release of JSC “Passenger Port of St. Petersburg”, https://www.portspb.ru/press_center/news26_old/postid/own_news/9411
2. Materials of the project for the development of the cruise company and the port on the ASI website “Strong Ideas for the New Time”, https://idea.asi.ru/users/sign_in?project=improject-48
3. Mayorov N.N., System analysis and logistics 1(23), 65–73 (2020)
4. Report of the Committee for Tourism Development on the implementation of the state program of St. Petersburg “Development of tourism in St. Petersburg” for 2019 and for the first half of 2020, https://www.gov.spb.ru/gov/otrasl/c_tourism/otchet-na-pravitelstvo-o-hode-realizacii-gosudarstvennoj-programmy-san/
5. Pushkina M.A., Radushinskaya A.I., Antonova A.B., Bulletin of the National Academy of Tourism 3(51), 60–66 (2019)