Dyfyniad APA

Bossard, J. H. S., & Boll, E. S. (1943). Family situations, an introduction to the study of child behavior. University of Pennsylvania Press.

Dyfyniad Arddull Chicago

Bossard, James Herbert Siward, and Eleanor S. Boll. Family Situations, an Introduction to the Study of Child Behavior. Philadelphia: University of Pennsylvania Press, 1943.

Dyfyniad MLA

Bossard, James Herbert Siward, and Eleanor S. Boll. Family Situations, an Introduction to the Study of Child Behavior. University of Pennsylvania Press, 1943.

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