Dyfyniad APA

Likens, G., & ...[et al.]. (1977). Biogeochemistry of a forested ecosystems. Springer.

Dyfyniad Arddull Chicago

Likens, Gene, and ...[et al.]. Biogeochemistry of a Forested Ecosystems. New york: Springer, 1977.

Dyfyniad MLA

Likens, Gene, and ...[et al.]. Biogeochemistry of a Forested Ecosystems. Springer, 1977.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.