Hummel, Kirsten M. Introducing second language acquisition : perspectives and practices / Kirsten M. Hummel. - Malden, MA : Wiley-Blackwell, 2014. - xii, 274 pages : illustrations ; 24 cm - Linguistics in the world . Includes bibliographical references and index. ISBN: 9780470658048 (paperback) Subjects--Topical Terms: Second language acquisition. LC Class. No.: P118.2 / .H86 2014