Petlák, E. Výzvy a reality súčasnej edukácie.
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Citação norma Chicago
Petlák, Erich. Výzvy a Reality Súčasnej Edukácie.
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Citação norma MLA
Petlák, Erich. Výzvy a Reality Súčasnej Edukácie.
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Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.