Devi Desianti Pritasari, author
Universitas Indonesia, 2003
UI - Tesis (Membership)
Anderson, Chris, author
Gramedia Pustaka Utama, 2007
Buku Teks
Heider, John, author
PPM, 2006
Buku Teks
Kahaner, Larry, author
Prenhallindo, 1998
Buku Teks
Vindiana Loekman, author
1989
UI - Skripsi (Membership)