Dyfyniad APA
ebrary, Inc, Garwin, L., & Lincoln, T. (2003). A century of nature: Twenty-one discoveries that changed science and the world. University of Chicago Press.
Dyfyniad Arddull Chicago
ebrary, Inc, Laura Garwin, and Tim Lincoln. A Century of Nature: Twenty-one Discoveries That Changed Science and the World. Chicago: University of Chicago Press, 2003.
Dyfyniad MLA
ebrary, Inc, et al. A Century of Nature: Twenty-one Discoveries That Changed Science and the World. University of Chicago Press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.