Febrina Shakuntala, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2011
UI - Skripsi (Open)
Greene, Mark R.
South-Western Publishing CO., 1983
Buku Teks
Hallma, G. Victor, author
McGraw-Hill Education, 2015
Buku Teks
Fakultas Psikologi Universitas Indonesia, 1996
UI - Skripsi (Membership)
Garman, E. Thomas, author
Houghton Miffiln, 1985
Buku Teks