Teweles, Richard J., author
McGraw-Hill, 1987
Buku Teks
Redhead, Keith, author
Woodhead-Faulkner, 1990
Buku Teks
Duffie, Darrell, author
Prentice-Hall, 1989
Buku Teks
Mustika Ridwan, author
Universitas Indonesia, 2014
UI - Skripsi (Membership)
Universitas Indonesia, 1997
UI - Skripsi (Membership)