(2007). Aligning Science Standards: Arkansas & the 2009 National Assessment of Educational Progress. Regional Educational Laboratory Program.
Chicago-Zitierstil (17. Ausg.)Aligning Science Standards: Arkansas & the 2009 National Assessment of Educational Progress. Regional Educational Laboratory Program, 2007.
MLA-Zitierstil (9. Ausg.)Aligning Science Standards: Arkansas & the 2009 National Assessment of Educational Progress. Regional Educational Laboratory Program, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.