APA (7th ed.) Zitazioa
Gafta, D., & Akeroyd, J. (2006). Nature Conservation: Concepts and Practice. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-540-47229-2
Chicago Style (17th ed.) Zitazioa
Gafta, Dan, eta John Akeroyd. Nature Conservation: Concepts and Practice. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. https://doi.org/10.1007/978-3-540-47229-2.
MLA (9th ed.) Zitazioa
Gafta, Dan, eta John Akeroyd. Nature Conservation: Concepts and Practice. Springer Berlin Heidelberg, 2006. https://doi.org/10.1007/978-3-540-47229-2.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.