Cambridge University Press · Oxford University Press
| title | media type | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|---|
| First Language Attrition | Hardcover | 978-0-521-34426-5 (0-521-34426-3) | 1991 | Robert M. Vago |
| First Language Attrition | Paperback | 978-0-521-34883-6 (0-521-34883-8) | 1991 | |
| Second Language Research Methods | " | 978-0-19-437067-7 (0-19-437067-4) | 1990 | Elana Shohamy |
H.S. · H. Seliger · H.W. · H.W. Seliger · Herbert S. · W.S.