Dyfyniad APA
Hellsten, E., & Söderman, D. (1985). A Study of the differences between various methods in use for the reduction of atmospheri pressure. Finnish Meteorolog. Inst.
Dyfyniad Arddull Chicago
Hellsten, Eino, and Daniel Söderman. A Study of the Differences Between Various Methods in Use for the Reduction of Atmospheri Pressure. Helsinki: Finnish Meteorolog. Inst, 1985.
Dyfyniad MLA
Hellsten, Eino, and Daniel Söderman. A Study of the Differences Between Various Methods in Use for the Reduction of Atmospheri Pressure. Finnish Meteorolog. Inst, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.