Swan, Michael. Practical English Usage / Michael Swan. - New York : Oxford University Press, 2009. - xxx, 653 p. ; 24 cm. ISBN: 9780195679892 LCCN: 81172044 Subjects--Topical Terms: English language--Usage. LC Class. No.: PE1106 / .S94 1981 Dewey Class. No.: 428.2 / SWA