Brunk-Chavez. Retention, Persistence, and Writing Programs. Utah State University Press.
Lua i Stíl Chicago (17ú heag.)Brunk-Chavez. Retention, Persistence, and Writing Programs. Utah State University Press.
Lua MLA (9ú heag.)Brunk-Chavez. Retention, Persistence, and Writing Programs. Utah State University Press.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.