Kausler, Donald H.
Springer , 1991
Buku Teks
Irene Ariani, author
Fakultas Psikologi Universitas Indonesia, 2015
UI - Skripsi (Membership)
Gita Hapsari, author
2018
UI - Skripsi (Membership)
Quadagno, Jill S., author
St. Martin's Press, 1980
Buku Teks
A.V.S Lestari Sandjoyo, author
1997
UI - Skripsi (Membership)