(2008). RosettaStone English: Supplemental education materials (Classroom version 3). Harrisonburg, VA: Rosetta Stone.
استشهاد بنمط شيكاغوRosettaStone English: Supplemental Education Materials (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2008.
MLA استشهادRosettaStone English: Supplemental Education Materials (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.