Ervin-Tripp, Susan M. 1927- Language acquisition and communicative choice / essays by Susan M. Ervin-Tripp, selected and introduced by Anwar S. Dil - Stanford : The University Press, 1973 - xiv, 383 p. : ill. ; 24 cm. - Language science and national development . Bibliography: p. 377-383 ISBN: 0804708312 : USD 10.95 Subjects--Topical Terms: Sociolinguistics--PsychologyLanguages--Psychology Dewey Class. No.: 401