"The Pennsylvania Center for the Book presents the 2010 A Baker's Dozen: The Best Children's Books for Family Literacy," Pennsylvania State University, 2010Archived December 30, 2010, at the Wayback Machine, accessed March 30, 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, 2010Archived December 30, 2010, at the Wayback Machine, accessed March 30, 2011.