Schwartz, Bernard
McGraw-Hill, 1974
Buku Teks
Lurie, Jonathan
Alfred A.Knopf, 1983
Buku Teks
Hall, Kermit L.
Oxford University Press, 1989
Buku Teks
Gilmore, Grant
Yale University Press, 1977
Buku Teks
Kempin, Frederick G
West Publishing Co, 1973
Buku Teks