Gardner, John W., author
Harper & Row, 1964
Buku Teks
Gilang Asri Nurahma, author
2017
UI - Skripsi (Membership)
edited by Clyde Kluckhohn and Henry A. Murray
Alfred A. Knopf, 1949
Buku Teks
Arini Pradewi Putri, author
Fakultas Psikologi Universitas Indonesia, 2013
UI - Skripsi (Membership)
Siegel, Eli
Definition Press, 1981
Buku Teks