AY, S. Et Al. The Impact of Tourism on the Economic Development and the Environment: The Case Study of Uludağ Winter Tourism. 2015. In Tourism Environment and Sustainability , ST.KLIMENT OHRIDSKI UNIVERSITY PRESS, Sofya, 301-313.

AY, S., KARAKURT TOSUN, E., & YILDIRIR KESER, H., (2015). The Impact of Tourism on the Economic Development and the Environment: The Case Study of Uludağ Winter Tourism. Tourism Environment and Sustainability (pp.301-313), Sofya: ST.KLIMENT OHRIDSKI UNIVERSITY PRESS.

AY, SEMA, ELİF KARAKURT TOSUN, And HİLAL YILDIRIR KESER. "The Impact of Tourism on the Economic Development and the Environment: The Case Study of Uludağ Winter Tourism." In Tourism Environment and Sustainability , 301-313. Sofya: ST.KLIMENT OHRIDSKI UNIVERSITY PRESS, 2015

AY, SEMA Et Al. "The Impact of Tourism on the Economic Development and the Environment: The Case Study of Uludağ Winter Tourism." Tourism Environment and Sustainability , ST.KLIMENT OHRIDSKI UNIVERSITY PRESS, 2015, pp.301-313.

AY, S. KARAKURT TOSUN, E. And YILDIRIR KESER, H. (2015) "The Impact of Tourism on the Economic Development and the Environment: The Case Study of Uludağ Winter Tourism", Tourism Environment and Sustainability . Sofya: ST.KLIMENT OHRIDSKI UNIVERSITY PRESS.

@bookchapter{bookchapter, author ={SEMA AY Et Al. }, chaptertitle={The Impact of Tourism on the Economic Development and the Environment: The Case Study of Uludağ Winter Tourism}, booktitle={ Tourism Environment and Sustainability}, publisher={ST.KLIMENT OHRIDSKI UNIVERSITY PRESS}, city={Sofya},year={2015} }