Examination papers from University of Cambridge ESOL Examinations: English for speakers of other langusges. (2003). Cambridge Preliminary English test 4 with answers. New York: Cambridge university press.
Chicago-стиль цитированияExamination papers from University of Cambridge ESOL Examinations: English for speakers of other langusges. Cambridge Preliminary English Test 4 With Answers. New York: Cambridge university press, 2003.
MLA-цитированиеExamination papers from University of Cambridge ESOL Examinations: English for speakers of other langusges. Cambridge Preliminary English Test 4 With Answers. New York: Cambridge university press, 2003.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.