Bossard, J. H. S., & Boll, E. S. (1943). Family situations, an introduction to the study of child behavior. University of Pennsylvania Press.
Cita Chicago Style (17a ed.)Bossard, James Herbert Siward, y Eleanor S. Boll. Family Situations, an Introduction to the Study of Child Behavior. Philadelphia: University of Pennsylvania Press, 1943.
Cita MLA (9a ed.)Bossard, James Herbert Siward, y Eleanor S. Boll. Family Situations, an Introduction to the Study of Child Behavior. University of Pennsylvania Press, 1943.
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