"The Pennsylvania Center for the Book presents the 2010 A Baker's Dozen: The Best Children's Books for Family Literacy," Pennsylvania State University, 2010 30 Aralık 2010 tarihinde Wayback Machine sitesinde arşivlendi., accessed 30 Mart 2011.
"The Pennsylvania Center for the Book presents the 2010 A Baker's Dozen: The Best Children's Books for Family Literacy," Pennsylvania State University, 2010 30 Aralık 2010 tarihinde Wayback Machine sitesinde arşivlendi., accessed 30 Mart 2011.