References

References   

1.  Practical English Usage (Editor Research Associates:  Project Director,

     T.S. Kon)

2.  Essential English Usage and Grammar (J. B. Alter)

3.  A NEW ENGLISH GRAMMAR    (Li Ming Her, a Taiwanese)

4.  Mastering English Grammar      (Milon Nandy)

5.  Oxford Advanced Learners English-Chinese Dictionary (4^th edition)

6.  Language Description (Course Module)  (Open University, Malaysia)