Afuah, Allan, author
Routledge, 2009
Buku Teks
Gamble, John E., author
McGraw-Hill, 2013
Buku Teks
David, Fred R., author
Pearson, 2015
Buku Teks
Mohamad Aditya Witantra, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Skripsi (Membership)
Brown, Steve, author
Prentice-Hall, 1996
Buku Teks