Thorpe,Edgar, & Thorpe,Showick. (2003). Objective english. Pearson Education.
Chicago Style aipamenaThorpe,Edgar, and Thorpe,Showick. Objective English. New Delhi: Pearson Education, 2003.
MLA aipamenaThorpe,Edgar, and Thorpe,Showick. Objective English. Pearson Education, 2003.
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