Gregory, Julie, author
Gramedia Pustaka Utama, 2005
Buku Teks
Reza Indragiri Amriel, author
Serambi Ilmu Semesta, 2014
Buku Teks
Ortiz, John M., author
Gramedia Pustaka Utama, 2002
Buku Teks
Gottman, John, author
Gramedia, 1997
Buku Teks
Iwu Dwisetyani, author
1982
UI - Skripsi (Membership)