Beekun, Rafik Issa, author
International Institute of Islamic Thought, 2006
Buku Teks
Bryson, John M., author
Jossey-Bass, 2011
Buku Teks
Dumilah Ayuningtyas, author
Universitas Indonesia, 2015
Buku Teks
Kotler, Philip, author
Prentice-Hall, 1995
Buku Teks
Bikramjit Rishi, editor
Business Science Reference, an imprint of IGI Global, 2015
Buku Teks