Dyfyniad APA

(2000). Roadside use of native plants. Washington, D.C: Island Press.

Dyfyniad Arddull Chicago

Roadside Use of Native Plants. Washington, D.C: Island Press, 2000.

Dyfyniad MLA

Roadside Use of Native Plants. Washington, D.C: Island Press, 2000.

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