Denniston, Katherine J., author
McGraw-Hill, [Date of publication not identified]
Buku Teks
Henrickson, Charles H., author
McGraw-Hill, Higher Education, 2008
Buku Teks
Bettelheim, Frederick A., author
Thomson, Brooks/Cole, 2007
Buku Teks
Bettelheim, Frederick A., author
Harcourt Brace Jovanovich College, 1991
Buku Teks
Seager, Spencer L., author
St. Paul West Publishing, 1994
Buku Teks