APA-čujuhus (7. p.)
Tripp, P. D. (2001). Age of opportunity: A biblical guide to parenting teens. P & R.
Chicago-čujuhus (17. p.)
Tripp, Paul David. Age of Opportunity: A Biblical Guide to Parenting Teens. Phillipsburg, N.J.: P & R, 2001.
MLA-čujuhus (9. p.)
Tripp, Paul David. Age of Opportunity: A Biblical Guide to Parenting Teens. P & R, 2001.
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