(2009). RosettaStone English: Student workbook (Classroom version 3). Harrisonburg, VA: Rosetta Stone.
Chicago Style aipamenaRosettaStone English: Student Workbook (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2009.
MLA aipamenaRosettaStone English: Student Workbook (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2009.
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