Smith, David Gordon English for telephoning / David Gordon Smith. - Oxford New York : Oxford University Press 2007 - 64 p. : col. ill. 25 cm. ISBN: 9780194579278 LC Class. No.: PE1115 .S613 2007 Dewey Class. No.: PE1115 .S613 2007 National Library of Medicine Call No.: PE1115 .S613 2007