Marina Augustina Isakh
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 1997
UI - Tesis Membership
edited by Michael Tomasello
Lawrence Erlbaum Associates, 2003
Buku Teks SO
Mooij, Antoine Willem Michiel
Boom Meppel, 1975
Buku Teks
Slama-Cazacu, Tatiana
The Hague Mouton, 1973
Buku Teks SO
edited by Linda Wheeldon
Psychology Press, 2000
Buku Teks