Common errors english exercises for malaysians

Hughes, R., and Heah, C. (1993). Common Errors in English: Grammar Exercises for Malaysians. Penerbit Fajar Bakti.

Anthony S., and Grace T. (2004). The acquisition of English personal and possessive pronouns in two classroom learning environments. Retrieved June, 2012, from http://www.writing.berkeley.edu/teslej/ej31/a1.html