Bowler, Sue, author
Erlangga, 2002
Buku Teks
Bowler, Sue, author
Erlangga, 2003
Buku Teks
Skinner, Brian J., author
Yayasan Obor Indonesia, 1984
Buku Teks
editor, Redaksi Arena
Arena, 2003
Buku Teks
Universitas Indonesia, 1992
UI - Skripsi (Membership)