Walcher, D. N., & Peters, D. L. (1971). Early childhood: The development of self-regulatory mechanisms. [proceedings of a conference held at Pennsylvania State University, Jan. 1970. Academic Press.
Cita Chicago Style (17a ed.)Walcher, Dwain N,, y Donald L. Peters. Early Childhood: The Development of Self-regulatory Mechanisms. [proceedings of a Conference Held at Pennsylvania State University, Jan. 1970. New York [etc.]: Academic Press, 1971.
Cita MLA (9a ed.)Walcher, Dwain N,, y Donald L. Peters. Early Childhood: The Development of Self-regulatory Mechanisms. [proceedings of a Conference Held at Pennsylvania State University, Jan. 1970. Academic Press, 1971.
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