Dyfyniad APA
Lewis, N. (1978). The new Roget's thesaurus: In dictionary form (Rev.ed.). G. P..
Dyfyniad Arddull Chicago
Lewis, Norman. The New Roget's Thesaurus: In Dictionary Form. Rev.ed. New York: G. P., 1978.
Dyfyniad MLA
Lewis, Norman. The New Roget's Thesaurus: In Dictionary Form. Rev.ed. G. P., 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.