Skowronek, H., & Marx, H. (1989). The Bielefeld longitudinal study on early identification of risks in learning read and write: Theoretical background and first results. Children at risk, 268-294.
Chicago Style (17th ed.) CitationSkowronek, Helmut, and Harald Marx. "The Bielefeld Longitudinal Study on Early Identification of Risks in Learning Read and Write: Theoretical Background and First Results." Children at Risk 1989: 268-294.
MLA (8th ed.) CitationSkowronek, Helmut, and Harald Marx. "The Bielefeld Longitudinal Study on Early Identification of Risks in Learning Read and Write: Theoretical Background and First Results." Children at Risk, 1989, pp. 268-294.
Warning: These citations may not always be 100% accurate.