Chall, J. S., Jacobs, V. A., & Baldwin, L. E. (1991). The reading crisis: Why poor children fall behind (1st Harvard University Press pbk. ed.). Harvard University Press.
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Lua i Stíl Chicago (17ú heag.)
Chall, Jeanne S., Vicki A. Jacobs, agus Luke E. Baldwin. The Reading Crisis: Why Poor Children Fall Behind. 1st Harvard University Press pbk. ed. Cambridge, Mass.: Harvard University Press, 1991.
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Lua MLA (9ú heag.)
Chall, Jeanne S., et al. The Reading Crisis: Why Poor Children Fall Behind. 1st Harvard University Press pbk. ed. Harvard University Press, 1991.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.