Likens, G. E. (2013). Biogeochemistry of a forested ecosystem (3rd ed. 2013.). Springer New York.
Dyfyniad Arddull ChicagoLikens, Gene E. Biogeochemistry of a Forested Ecosystem. 3rd ed. 2013. New York, NY: Springer New York, 2013.
Dyfyniad MLALikens, Gene E. Biogeochemistry of a Forested Ecosystem. 3rd ed. 2013. Springer New York, 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.