Miller, Patricia H., author
Worth Publisher, 2002
Buku Teks
Dacey, John S., author
McGraw-Hill, 2002
Buku Teks
Boyd, Denise, author
Pearson, 2005
Buku Teks
Turner, Jeffrey S., author
Holt, Rinehart and Winston, 1987
Buku Teks
Miller, Scott A., 1944-
Prentice-Hall, 1987
Buku Teks