Citazione Stile APA (7a Edizione)

(2000). Trends in the Reading Performance of 9-, 13-, & 17-year-olds. U.S. Department of Education.

Citazione stile Chigago Style (17a edizione)

Trends in the Reading Performance of 9-, 13-, & 17-year-olds. U.S. Department of Education, 2000.

Citatione MLA (9a ed.)

Trends in the Reading Performance of 9-, 13-, & 17-year-olds. U.S. Department of Education, 2000.