Dyfyniad APA
ebrary, Inc, Williams, R. J. P., Chapman, A., & Rowlinson, J. S. (2009). Chemistry at Oxford: A history from 1600 to 2005. Royal Society of Chemistry.
Dyfyniad Arddull Chicago
ebrary, Inc, R. J. P. Williams, Allan Chapman, and J. S. Rowlinson. Chemistry at Oxford: A History from 1600 to 2005. Cambridge, UK: Royal Society of Chemistry, 2009.
Dyfyniad MLA
ebrary, Inc, et al. Chemistry at Oxford: A History from 1600 to 2005. Royal Society of Chemistry, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.