Cita APA (7th ed.)
Tripp, P. D. (2001). Age of opportunity: A biblical guide to parenting teens. P & R.
Cita Chicago (17th ed.)
Tripp, Paul David. Age of Opportunity: A Biblical Guide to Parenting Teens. Phillipsburg, N.J.: P & R, 2001.
Cita MLA (9th ed.)
Tripp, Paul David. Age of Opportunity: A Biblical Guide to Parenting Teens. P & R, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.