Kalaja, P., & Ferreira, A. M. (2003). Beliefs about SLA: New research approaches. Dordrecht : Kluwer Academic Publishers.
Čikaški stil citiranja (17. izdanje)Kalaja, Paula, i Ana Maria Ferreira. Beliefs About SLA: New Research Approaches. Dordrecht : Kluwer Academic Publishers, 2003.
MLA način citiranja (9. izdanje)Kalaja, Paula, i Ana Maria Ferreira. Beliefs About SLA: New Research Approaches. Dordrecht : Kluwer Academic Publishers, 2003.
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