| 1 |
4
An introduction to sociolinguistics / Ronald Wardhaugh
: hbk,: pbk. - 3rd ed. - Malden, Mass. : Blackwell Publishers , 1998
|
| 2 |
Oxford English : a guide to the language / compiled by I.C.B. Dear
: soft. - Oxford [England] ; New York : Oxford University Press , 1989
|
| 3 |
9
An introduction to phonetics and phonology / John Clark, Colin Yallop and Janet Fletcher
3rd ed. - Malden, Mass. : Blackwell Pub. , 2007
|
| 4 |
10
An introduction to Japanese linguistics / Natsuko Tsujimura
: pbk. - Cambridge, Mass. ; Oxford : Blackwell Publishers , 1996
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