APA aipamena

Ryan, S. (2020). Theorizing Outdoor Recreation and Ecology. 1st ed. 2015. Palgrave Macmillan UK.

Chicago Style aipamena

Ryan, Sean. Theorizing Outdoor Recreation and Ecology. 1st Ed. 2015. Palgrave Macmillan UK, 2020.

MLA aipamena

Ryan, Sean. Theorizing Outdoor Recreation and Ecology. 1st Ed. 2015. Palgrave Macmillan UK, 2020.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.