Dyfyniad APA

Schlesinger, W. H., & Bernhardt, E. S. Biogeochemistry: An analysis of global change (Third edition.).

Dyfyniad Arddull Chicago

Schlesinger, William H., and Emily S. Bernhardt. Biogeochemistry: An Analysis of Global Change. Third edition.

Dyfyniad MLA

Schlesinger, William H., and Emily S. Bernhardt. Biogeochemistry: An Analysis of Global Change. Third edition.

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