Lua APA (7ú heag.)
Rykun, G. N., Рыкун, Г. Н., Vermenskaya, E. A., & Верменская, Е. А. (2018). Trajectories of management and competitiveness increase in hospitality industry. Serials Publications.
Lua i Stíl Chicago (17ú heag.)Rykun, G. N., Г. Н Рыкун, E. A. Vermenskaya, agus Е. А Верменская. Trajectories of Management and Competitiveness Increase in Hospitality Industry. Serials Publications, 2018.
Lua MLA (8ú heag.)Rykun, G. N., et al. Trajectories of Management and Competitiveness Increase in Hospitality Industry. Serials Publications, 2018.
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