Dyfyniad APA

SpringerLink (Online service), DeWalle, D. R., Hom, J. L., & Adams, M. B. The Fernow watershed acidification study.

Dyfyniad Arddull Chicago

SpringerLink (Online service), David R. DeWalle, John L. Hom, and Mary Beth Adams. The Fernow Watershed Acidification Study.

Dyfyniad MLA

SpringerLink (Online service), et al. The Fernow Watershed Acidification Study.

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