Wine, Lowell R.
Winthrop Publisher, 1976
Buku Teks
Horne, Elinor C., author
Yale University Press, 1961
Buku Teks
Ceri, Stefano, author
McGraw-Hill, 1984
Buku Teks
Watson, Richard T., author
John Wiley & Sons, 2002
Buku Teks
Ceri, Stefano, author
McGraw-Hill, 1984
Buku Teks