DeMello, Jim
McGraw-Hill, 2003
Buku Teks
Morison, William Loutit
Law Book Company, 1973
Buku Teks
Morison, William Loutit
Law Book Company, 1968
Buku Teks
Hassler, Russell H.
Prentice-Hall, 1958
Buku Teks
Cruickshank, Henry M.
Richard D. Irwin, 1958
Buku Teks