Dyfyniad APA

Hebersack, H. (2008). Gravel bed rivers VI: From process understanding to river restoration. Elsevier.

Dyfyniad Arddull Chicago

Hebersack, Helmut. Gravel Bed Rivers VI: From Process Understanding to River Restoration. Amsterdam: Elsevier, 2008.

Dyfyniad MLA

Hebersack, Helmut. Gravel Bed Rivers VI: From Process Understanding to River Restoration. Elsevier, 2008.

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