Erickson, John, author
Cambridge University Press, 2009
eBooks
Lazarus, Neil, 1953-, author
Cambridge University Press, 2011
eBooks
Nayar, Pramod K., author
Wiley Balckwell, 2015
Buku Teks
Hamid, Ismail, author
Fajar Bakti, 1983
Buku Teks
R. Wishnu Prahutomo, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2010
UI - Tesis Open