[Publisher not identified], [Date of publication not identified]
Naskah
[Publisher not identified], [Date of publication not identified]
Naskah
S. Hadiwiyata
Thahaja Soerakarta, 1923
Buku Klasik
Fromm, Erich
HarperCollins, 2000
Buku Teks SO
Butarbutar, Tiodora Br.
Fakultas Psikologi Universitas Indonesia, 2004
UI - Skripsi Membership