Sofiatul Hardiah, author
2019
UI - Skripsi (Membership)
Fraser, John Munro, author
London, Sir Issac Pitman
Buku Teks
Novela Permatasari, author
2017
UI - Skripsi (Membership)
Nelson-Jones, Richard, author
Brooks/Cole , 1990
Buku Teks
Tyas Handayani, author
Fakultas Psikologi Universitas Indonesia, 1996
UI - Skripsi Membership