Purska, I. S. (2011). Features research on socio-cultural environment in the international activities of tourism enterprises.
Chicago-Zitierstil (17. Ausg.)Purska, I. S. Features Research on Socio-cultural Environment in the International Activities of Tourism Enterprises. 2011.
MLA-Zitierstil (8. Ausg.)Purska, I. S. Features Research on Socio-cultural Environment in the International Activities of Tourism Enterprises. 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.