APA-referens

(2009). RosettaStone English: Student workbook (Classroom version 3). Harrisonburg, VA: Rosetta Stone.

Chicago-stil citat

RosettaStone English: Student Workbook (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2009.

MLA-referens

RosettaStone English: Student Workbook (Classroom Version 3). Harrisonburg, VA: Rosetta Stone, 2009.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.