APA-referens (7:e uppl.)

(2000). Teachers' Use of Higher-Level Tasks in Instruction. U.S. Department of Education.

Chicago-referens (17:e uppl.)

Teachers' Use of Higher-Level Tasks in Instruction. U.S. Department of Education, 2000.

MLA-referens (9:e uppl.)

Teachers' Use of Higher-Level Tasks in Instruction. U.S. Department of Education, 2000.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.