Rizki Kumoro Setiadi, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Skripsi Membership
Yayasan Pusat Pengkajian Hukum, 1992
Buku Teks
Irus Wandi, author
Universitas Indonesia, 2002
UI - Tesis Membership
Shilling, James D., author
South-Western, 2002
Buku Teks
Kau, James B., author
McGraw-Hill, 1985
Buku Teks