Trends in the Reading Performance of 9-, 13-, & 17-year-olds. US Department of Education.
Chicago-Zitierstil (17. Ausg.)Trends in the Reading Performance of 9-, 13-, & 17-year-olds. US Department of Education.
MLA-Zitierstil (8. Ausg.)Trends in the Reading Performance of 9-, 13-, & 17-year-olds. US Department of Education.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.