Eastaugh, Steven R.
Auburn House, 1981
Buku Teks
Hicks, Lanis L., author
Jones & Bartlett Learning, 2014
Buku Teks
Jacobs, Philip
Aspen Publication, 1987
Buku Teks
Finnz, Steven R.
Emmanuel Law Outlines, Inc, 1993
Buku Teks
Fuchs, Victor R.
Basic Books, 1974
Buku Teks