Barker, C. (2003). New Snapshot Pre- Intermediate Language Booster. Pearson Longman.
Chicago Style CitationBarker, Chris. New Snapshot Pre- Intermediate Language Booster. Pearson Longman, 2003.
MLA citiranjeBarker, Chris. New Snapshot Pre- Intermediate Language Booster. Pearson Longman, 2003.
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