Pos Tiga , 1971
Buku Teks
edited by Freya Baetens
United Kingdom Cambridge University Press, 2013
Buku Teks
Dadang Ramdhan, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2012
UI - Tesis (Membership)
Lusiana, author
Rajawali, 2012
Buku Teks
Schefer, Krista Nadakavukaren, author
Edward Elgar, 2013
Buku Teks