De Bot, K., Lowie, W., & Verspoor, M. (2005). Second language acquisition: An advanced resource book. Routledge.
Lua i Stíl Chicago (17ú heag.)De Bot, Kees, Wander Lowie, agus Marjolyn Verspoor. Second Language Acquisition: An Advanced Resource Book. London ; New York: Routledge, 2005.
Lua MLA (8ú heag.)De Bot, Kees, et al. Second Language Acquisition: An Advanced Resource Book. Routledge, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.