Meier, J., & Malone, P. J. (1979). Facilitating children's development: A systematic guide for open learning. University Park Press.
Lua i Stíl Chicago (17ú heag.)Meier, John, agus Paula J. Malone. Facilitating Children's Development: A Systematic Guide for Open Learning. Baltimore: University Park Press, 1979.
Lua MLA (9ú heag.)Meier, John, agus Paula J. Malone. Facilitating Children's Development: A Systematic Guide for Open Learning. University Park Press, 1979.
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