Hartley, Peter, 1946-
Roudledge, 1993
Buku Teks
Condon, John C.
Macmillan, 1977
Buku Teks
Knapp, Mark L.
Allyn and Bacon, 1996
Buku Teks
Wood, Julia T., 1950-
Wadsworth and Cengage Learning, 2013
Buku Teks
Devito, Joseph A.
Harper & Row Publishers, 1986
Buku Teks