Examination papers from University of Cambridge ESOL Examinations: English for speakers of other langusges. (2007). Cambridge Preliminary English test 3 with answers. New York: Cambridge university press.
শিকাগো স্টাইলে সাইটেশনExamination papers from University of Cambridge ESOL Examinations: English for speakers of other langusges. Cambridge Preliminary English Test 3 With Answers. New York: Cambridge university press, 2007.
এমএলএ সাইটেশনExamination papers from University of Cambridge ESOL Examinations: English for speakers of other langusges. Cambridge Preliminary English Test 3 With Answers. New York: Cambridge university press, 2007.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.