Lua APA (7ú heag.)

(2000). Persistence & Attainment of First-Year College Dropouts. U.S. Department of Education.

Lua i Stíl Chicago (17ú heag.)

Persistence & Attainment of First-Year College Dropouts. U.S. Department of Education, 2000.

Lua MLA (9ú heag.)

Persistence & Attainment of First-Year College Dropouts. U.S. Department of Education, 2000.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.