Sherman, Alan, author
Houghton Mifflin, 1976
Buku Teks
Harley, John P., author
McGraw-Hill Book, 2000
Buku Teks
Alcamo, I. Edward, author
Addison-Wesley, 1983
Buku Teks
Crane, John, author
Prentice-Hall, 1980
Buku Teks
Bettelheim, Frederick A., author
Thomson, Brooks/Cole, 2007
Buku Teks