Campbell, R., & Likes, P. (1987). How to really know your child. Victor Books.
Chicago-viite (17. p.)Campbell, Ross, ja Pat Likes. How to Really Know Your Child. [Wheaton, Ill.]: Victor Books, 1987.
MLA-viite (9. p.)Campbell, Ross, ja Pat Likes. How to Really Know Your Child. Victor Books, 1987.
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