ÖZDEMİR, G., ve M. TUNA. “SÜRDÜRÜLEBİLİR TURİZM KAPSAMINDA KARBON AYAK İZİ”. Journal of Recreation and Tourism Research, c. 3, sy 3, Eylül 2016, ss. 75-84, https://jrtr.org/index.php/jrtr/article/view/165.