Stanley, David T.
Brookings Institution, 1963
Buku Teks
Greenberg, Stanley, 1956-, author
The Johns Hopkins University Press, 1998
Buku Teks
Cabot, Meg, author
Gramedia Pustaka Utama, 2011
Buku Teks
Cabot, Meg, author
Gramedia Pustaka Utama, 2015
Buku Teks
Whida Rositama, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2014
UI - Tesis Membership