Trask, R. L. 1944- The Penguin guide to punctuation [Book] - London : Penguin Books, 1997. - x, 162 p. ; 20 cm. - Penguin reference books . All. ISBN: 0140513663 (pbk.) Subjects--Topical Terms: English language--Punctuation.Anglais (Langue)--Ponctuation. Dewey Class. No.: 421.1 421.1