APA (7th ed.) Zitazioa
Joyce, R. (2012). Outdoor learning: Past and present. Open University Press.
Chicago Style (17th ed.) Zitazioa
Joyce, Rosaleen. Outdoor Learning: Past and Present. Maidenhead, England: Open University Press, 2012.
MLA (9th ed.) Zitazioa
Joyce, Rosaleen. Outdoor Learning: Past and Present. Open University Press, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.