Dyfyniad APA
Hela, I. (1966). Secular Changes in the salinity of the upper waters of the northern Baltic Sea.
Dyfyniad Arddull Chicago
Hela, Ilmo. Secular Changes in the Salinity of the Upper Waters of the Northern Baltic Sea. Helsinki, 1966.
Dyfyniad MLA
Hela, Ilmo. Secular Changes in the Salinity of the Upper Waters of the Northern Baltic Sea. 1966.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.