Pfaff, L. G. (2013). The secret life of the pre-tween. Smart Parenting.
芝加哥风格引文Pfaff, Leslie Garisto. "The Secret Life of the Pre-tween." Smart Parenting 2013.
MLA引文Pfaff, Leslie Garisto. "The Secret Life of the Pre-tween." Smart Parenting, 2013.
警告：这些引文格式不一定是100％准确.