Winch, Robert F., author
The Bobbs-Merril , 1962
Buku Teks
Basic Books, 1956
Buku Teks
Ratih Cahyani Putri, author
Fakultas Psikologi Universitas Indonesia, 2017
UI - Skripsi (Membership)
Chairunnisa Diya Silmi, author
2016
UI - Skripsi (Membership)
Harper & Brother, 1949
Buku Teks