Dyfyniad APA

(1956). Rock and log structures for scientific trout stream management.

Dyfyniad Arddull Chicago

Rock and Log Structures for Scientific Trout Stream Management. Boulder, Colo, 1956.

Dyfyniad MLA

Rock and Log Structures for Scientific Trout Stream Management. 1956.

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