Tsybulskyi, V. O. (2015). Nature study of demand and supply market travel services and factors of affecting them.
Chicago-Zitierstil (17. Ausg.)Tsybulskyi, V. O. Nature Study of Demand and Supply Market Travel Services and Factors of Affecting Them. 2015.
MLA-Zitierstil (8. Ausg.)Tsybulskyi, V. O. Nature Study of Demand and Supply Market Travel Services and Factors of Affecting Them. 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.