Stevens, James, author
Lawrence Erlbaum Associates, 1986
Buku Teks
Hinkle, Dennis E., author
Houghton Mifflin, 2003
Buku Teks
Hays, William Lee, 1926-1995, author
Holt, Rinehart and Winston, 1973
Buku Teks
by Bruce L. Brown [and others]
John Wiley & Sons, 2012
Buku Teks
Brown, Robert F., author
Wadsworth, 1980
Buku Teks