Bhisma Murti, author
Gadjah Mada University Press, 2010
Buku Teks
Kuswardani Susari Putri, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis Membership
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Creswell, John W., author
Pustaka Pelajar, 2009
Buku Teks
Armeity Rossi Triwahyuni, author
Universitas Indonesia, 2005
UI - Tugas Akhir