Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1964
UI - Skripsi (Membership)
Anesaki, Masaharu, author
Harvard University Press, 1949
Buku Teks
Laurence, Margaret
McClelland and Stewart, 1963
Buku Teks
Wygotski, L.S.
Berlin : Akademie Verlag, 1964
Buku Teks
Wehrle-Eggers, author
Ernst Klett Verlag, 1961
Buku Referensi