Dyfyniad APA

(1993). Birds As Monitors Of Environmental Change Edited By R.w Furness And J Greenwood. Chapman & Hall.

Dyfyniad Arddull Chicago

Birds As Monitors Of Environmental Change Edited By R.w Furness And J Greenwood. Chapman & Hall, 1993.

Dyfyniad MLA

Birds As Monitors Of Environmental Change Edited By R.w Furness And J Greenwood. Chapman & Hall, 1993.

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