Dyfyniad APA
Lang, K. R. (2011). The Cambridge guide to the solar system (2nd ed.). Cambridge University Press.
Dyfyniad Arddull Chicago
Lang, Kenneth R. The Cambridge Guide to the Solar System. 2nd ed. Cambridge, U.K.: Cambridge University Press, 2011.
Dyfyniad MLA
Lang, Kenneth R. The Cambridge Guide to the Solar System. 2nd ed. Cambridge University Press, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.