Çetinkaya, G. National Parks, Protected Areas and Recreation Services . 2020. In Recreation , Nobel Yayın Dağıtım, Ankara, 200-230.

Çetinkaya, G., (2020). National Parks, Protected Areas and Recreation Services . Recreation (pp.200-230), Ankara: Nobel Yayın Dağıtım.

Çetinkaya, GÜNEY. "National Parks, Protected Areas and Recreation Services ." In Recreation , 200-230. Ankara: Nobel Yayın Dağıtım, 2020

Çetinkaya, GÜNEY. "National Parks, Protected Areas and Recreation Services ." Recreation , Nobel Yayın Dağıtım, 2020, pp.200-230.

Çetinkaya, G. (2020) "National Parks, Protected Areas and Recreation Services ", Recreation . Ankara: Nobel Yayın Dağıtım.

@bookchapter{bookchapter, author ={GÜNEY ÇETİNKAYA}, chaptertitle={National Parks, Protected Areas and Recreation Services }, booktitle={ Recreation}, publisher={Nobel Yayın Dağıtım}, city={Ankara},year={2020} }