Hioki, Warren, author
Prentice-Hall, 1998
Buku Teks
Sinaga, Arince Guntamor P., author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2010
UI - Tesis (Open)
Meadow, Charles T.
McGraw-Hill , 1985
Buku Teks
Siregar, Reza Soanganon , author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2009
UI - Tesis (Open)
Dian Lestari, author
2008
UI - Tesis (Open)