APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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