Maezar Maolana
Fakultas Psikologi Universitas Indonesia, 2013
UI - Skripsi (Membership)
Arini Rahayu
Fakultas Psikologi Universitas Indonesia, 2013
UI - Skripsi (Membership)
Tuwo
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Tesis (Membership)
Caesar, Julius
New American Library, [1961, 1960]
Buku Teks
Trilling, Lionel
Holt, Rinehart and Winston, 1967
Buku Teks