Mazur, Laura, author
John Wiley & Sons, 2009
Buku Teks
Rashasti Ayudisty, author
Fakultas Psikologi Universitas Indonesia, 2019
UI - Skripsi (Membership)
Hopfenbeck, Waldemar, author
[publisher not identified], [date of publication no identified]
Buku Teks
Dominelli, Lena, author
Polity Press, 2012
Buku Teks
Lyon, Danny
Holt, Rinehart and Winston, 1969
Buku Teks