Gottman, John, author
Prisma Media, 2004
Buku Teks
Jurjis, Malak, author
Hikmah, 2004
Buku Teks
White, Ellen G., author
Indonesia Publishing House, 2001
Buku Teks
Siti Yuyun Rahayu Fitri, author
Universitas Indonesia, 2009
UI - Tesis Open
Schaefer, Charles E., author
Restu Agung, 2002
Buku Teks