APA-referens (7:e uppl.)

(2000). Students Who Reported it Would be Easy to Get Drugs: 1992-98. U.S. Department of Education.

Chicago-referens (17:e uppl.)

Students Who Reported It Would Be Easy to Get Drugs: 1992-98. U.S. Department of Education, 2000.

MLA-referens (9:e uppl.)

Students Who Reported It Would Be Easy to Get Drugs: 1992-98. U.S. Department of Education, 2000.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.