Dyfyniad APA
Sherlock, A., Beck, S., Heneage, T., & Roebuck, E. (1987). Pure mathematics. JohnMurray.
Dyfyniad Arddull Chicago
Sherlock, Alan, Shirley Beck, Timothy Heneage, and Elizabeth Roebuck. Pure Mathematics. London: JohnMurray, 1987.
Dyfyniad MLA
Sherlock, Alan, et al. Pure Mathematics. JohnMurray, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.