Dyfyniad APA

Røen, U. (1962). Studies on freshwater Entomostraca in Greenland. Bianco Lunos.

Dyfyniad Arddull Chicago

Røen, Ulrik. Studies on Freshwater Entomostraca in Greenland. København: Bianco Lunos, 1962.

Dyfyniad MLA

Røen, Ulrik. Studies on Freshwater Entomostraca in Greenland. Bianco Lunos, 1962.

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