APA (7th ed.) Zitazioa
Sutherland, W. J. (2018). What works in conservation: 2018. Open Book Publishers.
Chicago Style (17th ed.) Zitazioa
Sutherland, William J. What Works in Conservation: 2018. Cambridge, UK: Open Book Publishers, 2018.
MLA (9th ed.) Zitazioa
Sutherland, William J. What Works in Conservation: 2018. Open Book Publishers, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.