Dyfyniad APA
Hoyt, D. V., & Schatten, K. H. (1997). The role of the sun in climate change. Oxford University Press.
Dyfyniad Arddull Chicago
Hoyt, Douglas V., and Kenneth H. Schatten. The Role of the Sun in Climate Change. New York: Oxford University Press, 1997.
Dyfyniad MLA
Hoyt, Douglas V., and Kenneth H. Schatten. The Role of the Sun in Climate Change. Oxford University Press, 1997.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.