Dyfyniad APA
ebrary, Inc, Weishampel, D. B., Dodson, P., & Osmólska, H. (2004). The dinosauria (2nd ed.). University of California Press.
Dyfyniad Arddull Chicago
ebrary, Inc, David B. Weishampel, Peter Dodson, and Halszka Osmólska. The Dinosauria. 2nd ed. Berkeley: University of California Press, 2004.
Dyfyniad MLA
ebrary, Inc, et al. The Dinosauria. 2nd ed. University of California Press, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.