Rhenald Kasali
Tujuh puluh tujuh kiat bisnis kontan : mendayung di tengah badai
Gramedia Pustaka Utama, 1998
 Buku Teks
Berry, Brewton
Race and ethnic relations
Houghton-Miffiln, 1958
 Buku Teks
Morris, Thomas V.
True success : a new philosophy of excellence / Tom Morris.
G.P. Putnam`s Sons, 1994.
 Buku Teks
Race prejudice and discrimination: readings in intergroup relations in the United States / edited by Arnold M. Rose
edited by Arnold M. Rose
Alfred A. Knopf, 1951
 Buku Teks
Hill, Napoleon
The law of success
Jeremy P. Tarcher/​Penguin, 2008
 Buku Teks