APA citáció

Tian Leiyu & Székely György. Free walking tour in Europe-- How does it change the traditional travel agency, is there a future for it in urban tourism.

Chicago Style (17th ed.) Citation

Tian Leiyu and Székely György. Free Walking Tour in Europe-- How Does It Change the Traditional Travel Agency, Is There a Future for It in Urban Tourism.

MLA idézés

Tian Leiyu and Székely György. Free Walking Tour in Europe-- How Does It Change the Traditional Travel Agency, Is There a Future for It in Urban Tourism.