Dyfyniad APA
Barry, R. G., & Gan, T. (2011). The global cryosphere: Past, present, and future. Cambridge University Press.
Dyfyniad Arddull Chicago
Barry, Roger Graham, and Thian-Yew Gan. The Global Cryosphere: Past, Present, and Future. Cambridge ; New York: Cambridge University Press, 2011.
Dyfyniad MLA
Barry, Roger Graham, and Thian-Yew Gan. The Global Cryosphere: Past, Present, and Future. Cambridge University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.