Dyfyniad APA
Musielak, D. (2012). Sophie's diary (2nd ed.). Mathematical Association of America.
Dyfyniad Arddull Chicago
Musielak, Dora. Sophie's Diary. 2nd ed. Washington, D.C.: Mathematical Association of America, 2012.
Dyfyniad MLA
Musielak, Dora. Sophie's Diary. 2nd ed. Mathematical Association of America, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.