Fromberg, D. P., & Williams, L. R. (1992). Encyclopedia of early childhood eduction. Garland Publishing Co..
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Chicago-čujuhus (17. p.)
Fromberg, Doris Pronin, juo Leslie R. Williams. Encyclopedia of Early Childhood Eduction. New York: Garland Publishing Co., 1992.
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MLA-čujuhus (9. p.)
Fromberg, Doris Pronin, juo Leslie R. Williams. Encyclopedia of Early Childhood Eduction. Garland Publishing Co., 1992.
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