(2008). RosettaStone English: Supplemental education materials (Classroom version 3). Harrisonburg, VA: Rosetta Stone.
シカゴスタイル引用形RosettaStone English: Supplemental Education Materials (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2008.
MLA引用形式RosettaStone English: Supplemental Education Materials (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2008.
警告: この引用は必ずしも正確ではありません.