Bjorklund, David F.
Wadsworth and Cengage Learning, 2012
Buku Teks SO
Mahoney, Bere
Learning Matters, 2011
Buku Teks SO
Siegler, Robert S.
Prentice-Hall, 1998
Buku Teks SO
Niken Indah Hapsari
Fakultas Kedokteran Universitas Indonesia, 2019
UI - Tesis Membership
edited by Anthony Gale, Michael W. Eysenck
John Wiley & Sons, 1992
Buku Referensi