Mader, S. S. (2006). Inquiry Into Life for my Children (11th edición.). McGraw - Hill Higher Education.
Chicago-čujuhus (17. p.)Mader, Sylvia S. Inquiry Into Life for My Children. 11th edición. New York, NY: McGraw - Hill Higher Education, 2006.
MLA-čujuhus (9. p.)Mader, Sylvia S. Inquiry Into Life for My Children. 11th edición. McGraw - Hill Higher Education, 2006.
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