Yablonsky, Lewis, author
Tian xia wen hua chu ban gu fen you xian gong s, 1994
Buku Teks
Metcalf, Franz, author
Berrett-Koehler, 2012
Buku Teks
Vidal, Gore, author
Bantam Books, 1968
Buku Teks
Fakultas Psikologi Universitas Indonesia, 2014
UI - Skripsi (Membership)
Fakultas Psikologi Universitas Indonesia, 2014
UI - Skripsi (Membership)