Jorgenson, Dale W.
Cambridge, Mass Massachusetts Institute of Technology 1995,
Buku Teks
Patrick, Dale R.
Delmar Publishers, 1997
Buku Teks
Patrick, Dale R.
Newnes, 2000
Buku Teks
Patrick, Dale R.
Newnes, 2000
Buku Teks
Kendrick, John W.
American Enterprise Institute , 1982
Buku Teks