Krishnamurti, J. (Jiddu), 1895-1986, author
New York Routledge , 1999
Buku Teks
by Mandy Swann [and others]
McGraw-Hill, 2012
Buku Teks
Sandel, Michael J., author
Cambridge University Press, 2010
Buku Teks
Manajemen Usahawan Indonesia, XXXII (06) Juni 2003: 49-55, 2003
Artikel Jurnal
by C. von Bar [and others]; edited by J. Spier
Kluwer, 1996
Buku Teks