Rayport, Jeffrey F., author
McGraw-Hill, 2004
Buku Teks
Carlton, Katherine Tasheff, author
Rockport Publishers, 2001
Buku Referensi
Gina Apryani Nurunnisha, author
Business School Universitas Pelita Harapan, 2018
Artikel Jurnal
Whiteley, David, author
McGraw-Hill, 2000
Buku Teks
Westberg, Bjorn
IBFD, 2002
Buku Teks