Likens, G. E. (2013). Biogeochemistry of a forested ecosystem (3rd ed. 2013.). Springer New York.
Chicago Style aipamenaLikens, Gene E. Biogeochemistry of a Forested Ecosystem. 3rd ed. 2013. New York, NY: Springer New York, 2013.
MLA aipamenaLikens, Gene E. Biogeochemistry of a Forested Ecosystem. 3rd ed. 2013. Springer New York, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.