Isfan Hany Yaman, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, [2014;2014;2014, 2014]
UI - Tesis (Membership)
Chu, Youhan, author
McGraw-Hill, 1969
Buku Teks
Holloway, Immy, author
Blackwell, 1997
Buku Teks
Desiana Nurul Maftuhah, author
Universitas Indonesia, 2007
UI - Skripsi (Membership)
Haryo Adityo, author
Universitas Indonesia, 2008
UI - Skripsi (Open)