Citace podle APA (7th ed.)

Hood, L., Bloom, L., & Brainerd, C. J. (1979). What, when, and how about why: A longitudinal study of early expressions of causality. Published by the University of Chicago Press for the Society for Research in Child Development.

Citace podle Chicago (17th ed.)

Hood, Lois, Lois Bloom, a Charles J. Brainerd. What, When, and How About Why: A Longitudinal Study of Early Expressions of Causality. Chicago: Published by the University of Chicago Press for the Society for Research in Child Development, 1979.

Citace podle MLA (9th ed.)

Hood, Lois, et al. What, When, and How About Why: A Longitudinal Study of Early Expressions of Causality. Published by the University of Chicago Press for the Society for Research in Child Development, 1979.

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