Jane Nelsen, Ed.D. (2011). “Positive Discipline: The Classic Guide to Helping Children Develop Self-Discipline, Responsibility, Cooperation, and Problem-Solving Skills”, p.303, Ballantine Books
Jane Nelsen, Steven Foster (2011). “Positive Discipline for Children with Special Needs: Raising and Teaching All Children to Become Resilient, Responsible, and Respectful”, p.47, Harmony
Jane Nelsen, Ed.D. (2011). “Positive Discipline: The Classic Guide to Helping Children Develop Self-Discipline, Responsibility, Cooperation, and Problem-Solving Skills”, p.61, Ballantine Books
Jane Nelsen, Ed.D., Cheryl Erwin, Roslyn Ann Duffy (2007). “Positive Discipline: The First Three Years: From Infant to Toddler--Laying the Foundation for Raising a Capable, Confident Child”, p.44, Harmony