(2008). RosettaStone English: Teacher's guide (Classroom version 3). Harrisonburg, VA: Rosetta Stone.
Čikaški stil citiranjaRosettaStone English: Teacher's Guide (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2008.
MLA način citiranjaRosettaStone English: Teacher's Guide (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2008.
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