Dyfyniad APA

Alerstam, T. (1976). Bird migration in relation to wind and topography.

Dyfyniad Arddull Chicago

Alerstam, Thomas. Bird Migration in Relation to Wind and Topography. 1976.

Dyfyniad MLA

Alerstam, Thomas. Bird Migration in Relation to Wind and Topography. 1976.

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