James C. Dobson (2014). “Bringing Up Girls: Practical Advice and Encouragement for Those Shaping the Next Generation of Women”, p.33, Tyndale House Publishers, Inc.
James C. Dobson (1992). “Preparing for Adolescence: Advice from One of America's Foremost Family Psychologists on how to Survive the Coming Years of Change”, Tyndale House Pub