Dyfyniad APA
Benestad, R. E. (2006). Solar Activity and Earths Climate (Second Edition.). Springer Berlin Heidelberg. https://doi.org/10.1007/3-540-30621-8
Dyfyniad Arddull Chicago
Benestad, Rasmus E. Solar Activity and Earths Climate. Second Edition. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. https://doi.org/10.1007/3-540-30621-8.
Dyfyniad MLA
Benestad, Rasmus E. Solar Activity and Earths Climate. Second Edition. Springer Berlin Heidelberg, 2006. https://doi.org/10.1007/3-540-30621-8.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.