Hamilton, Robert W., author
Little, Brown, 1993
Buku Teks
Kiyosaki, Robert T., 1947-, author
Gramedia Pustaka Utama, 2003
Buku Teks
Harris, Seymour E.
McGraw-Hill Book Company, Inc., 1962
Buku Teks
Stegmen, Michael A.
MIT Press , 1970
Buku Teks
Due, John F.
Richard D. Irwin, Inc., 1969
Buku Teks