Keller, G. D., Teschner, R. V., & Viera, s. (1976). Bilingualism in the bicentennial and beyond. Bilingual Press.
Chicago Style (17th ed.) ZitazioaKeller, Gary D., Richard V. Teschner, eta silvia Viera. Bilingualism in the Bicentennial and Beyond. Nueva York: Bilingual Press, 1976.
MLA (9th ed.) ZitazioaKeller, Gary D., et al. Bilingualism in the Bicentennial and Beyond. Bilingual Press, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.