Kim, Sae Byoul, author
Gramedia Pustaka Utama, 2022
Buku Teks
Butarbutar, Tiodora Br., author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Skripsi Membership
Amstrong, Jennifer
Xiao zhi tang chu ban [tai bei xian]xin dian shi : Nong xue zong jing xiao, 1992.
Buku Teks
Stein, Ben, author
Gramedia, 2006
Buku Teks
Nurul Adiningtyas, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Skripsi Membership