Thomson, A.J. A practical english grammar / A.J Thomson. - 4a ed. - oxford : Oxford University Press, 1992. - 383 p. Articles and one, a little a few this that.--Nouns.--Adjetivess.--Adverbs ISBN: 0194313476 Subjects--Topical Terms: Ingles--Gramatica. Dewey Class. No.: 421 / T46a