Hogendorn, Jan S.
Prentice-Hall, 1995
Buku Teks
Burns, Arthur Edward
Harcourt, Brace, 1948
Buku Teks
Chang, Semoon
Allyn and Bacon, 1990
Buku Teks
Isaacs, Asher, 1902-1963
Dryden Press, 1952
Buku Teks
Wright, David McCord, 1909-
Macmillan, 1955
Buku Teks