Elzinga, Kenneth G., author
Yale University Press, 1976
Buku Teks
Calkins, Richard M.
Dow Jones-Irwin, 1981
Buku Teks
edited by Theodore P. Kovaleff
M.E. Sharpe, 1994
Buku Teks
Zwarensteyn, Hendrik, author
Deventer, 1970
Buku Teks
American Bar Association, 1975
Buku Teks