(2010). RosettaStone English: Student workbook (Classroom version 3). Harrisonburg, VA: Rosetta Stone.
استشهاد بنمط شيكاغوRosettaStone English: Student Workbook (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2010.
MLA استشهادRosettaStone English: Student Workbook (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.