Ryan, S. (2020). Theorizing Outdoor Recreation and Ecology. 1st ed. 2015. Palgrave Macmillan UK.
Chicago ZitierstilRyan, Sean. Theorizing Outdoor Recreation and Ecology. 1st Ed. 2015. Palgrave Macmillan UK, 2020.
MLA ZitierstilRyan, Sean. Theorizing Outdoor Recreation and Ecology. 1st Ed. 2015. Palgrave Macmillan UK, 2020.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.