Crawford, J. (1991). Bilingual education: History, politics, theory, and practice (2nd ed.). Bilingual Educational Services.
Lua i Stíl Chicago (17ú heag.)Crawford, James. Bilingual Education: History, Politics, Theory, and Practice. 2nd ed. Los Angeles: Bilingual Educational Services, 1991.
Lua MLA (9ú heag.)Crawford, James. Bilingual Education: History, Politics, Theory, and Practice. 2nd ed. Bilingual Educational Services, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.