Nico Syukur Dister, author
LEPPENAS, 1982
Buku Teks
Johana E. Prawitasari, author
Erlangga, 2011
Buku Teks
Siahaan, Frieda Maryam Mangunsong, author
UI-Press, 2004
UI - Pidato
Albery, Ian P., author
Pal Mall, 2007
Buku Teks
Daviq Chairilsyah, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis (Membership)