Ferguson, Kitty, author
Walker, 1999
Buku Teks
Puji Gufron Rhodes, author
Fakultas Psikologi Universitas Indonesia, 2020
UI - Tesis (Membership)
Mira Tri Rizky, author
2016
UI - Skripsi (Membership)
Glenn Allen, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2021
UI - Tesis (Membership)
Graff, Heinz
Edition Leipzig, 1972
Buku Teks