APA (7th ed.) Zitazioa
Boersema, J. J., & Reijnders, L. (2009). Principles of Environmental Sciences. Springer Netherlands. https://doi.org/10.1007/978-1-4020-9158-2
Chicago Style (17th ed.) Zitazioa
Boersema, Jan J., eta Lucas Reijnders. Principles of Environmental Sciences. Dordrecht: Springer Netherlands, 2009. https://doi.org/10.1007/978-1-4020-9158-2.
MLA (9th ed.) Zitazioa
Boersema, Jan J., eta Lucas Reijnders. Principles of Environmental Sciences. Springer Netherlands, 2009. https://doi.org/10.1007/978-1-4020-9158-2.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.