DeVillers, Julia
GirlWise : how to be confident, capable, cool, and in control
Prima Pub, 2002
 Buku Teks SO
Taylor, Andrew
The cool Change
University of Queensland Press, 1971
 Buku Teks SO
Monica Christie
Optimalkan executive function anak dengan pengasuhan: hubungan parental control strategies dengan cool executive function anak prasekolah = Optimizing child's executive function with parenting relationship between parental control strategies and cool executive function of preschool children
Fakultas Psikologi Universitas Indonesia, 2017
 UI - Skripsi Membership
Donchadha, Reamonn, Author
The Confident Child : Anak Yang Percaya Diri
Penerbit Buku Populer Nrmala, 2000
 Buku Teks SO
Drate, Spencer
Cool type two
North Light Books, 1999
 Buku Referensi