Fricke, S., Bowyer-Crane, C., Haley, A., Hulme, C., & Snowling, M. (2013). Efficacy of language intervention in the early years.
Chicago Style aipamenaFricke, S., C. Bowyer-Crane, A. Haley, C. Hulme, and M. Snowling. Efficacy of Language Intervention in the Early Years. 2013.
MLA aipamenaFricke, S., et al. Efficacy of Language Intervention in the Early Years. 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.