Wills, Richard H.
University of Prince Edward Island, 2004
Buku Teks
edited by Armand M. Nicholi
The Belknap Press of Harvard University Press, 1999
Buku Teks
Dinny Afifi Elfinur, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2021
UI - Tesis (Membership)
Hendra Samanta, author
2015
UI - Tesis (Membership)
Osborn, Anne G., 1943-
Utah : Amirsys, 2013
Buku Teks