APA (7th ed.) Zitazioa
Buckley, R. (2010). Conservation tourism. CAB International.
Chicago Style (17th ed.) Zitazioa
Buckley, Ralf. Conservation Tourism. Wallingford, Oxon, England ; Cambridge, MA: CAB International, 2010.
MLA (9th ed.) Zitazioa
Buckley, Ralf. Conservation Tourism. CAB International, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.