Pfaff, L. G. (2013). The secret life of the pre-tween. Smart Parenting.
Lua i Stíl Chicago (17ú heag.)Pfaff, Leslie Garisto. "The Secret Life of the Pre-tween." Smart Parenting 2013.
Lua MLA (9ú heag.)Pfaff, Leslie Garisto. "The Secret Life of the Pre-tween." Smart Parenting, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.