Gage, N. L.
Houghton Miffiln, 1988
Buku Teks
Abin Syamsuddin Makmun
Remaja Rosdakarya, 1996
Buku Teks
Hoy, Anita Woolfolk, 1947-, author
Allyn and Bacon, 2004
Buku Teks
Eson, Morris E.
Holt, Rinehart and Winston, 1964
Buku Teks
De Cecco, John P.
Prentice-Hall, 1974
Buku Teks