Yusmar Yusuf, author
Remaja Rosdakarya, 1991
Buku Teks
Yusmar Yusuf, author
Remaja Rosdakarya, 1991
Buku Teks
Matsumoto, David, author
Thomson Wadsworth, 2004
Buku Teks
Deutscher, Guy, author
Unieboek / Spectrum, 2012
Buku Teks
Dewa Ayu Puteri Handayani, author
Fakultas Psikologi Universitas Indonesia, 2014
UI - Skripsi (Membership)