Yorke, R.
Pergamon Press, 1986
Buku Teks
Lowenberg, Edwin C., author
McGraw-Hill, 1967
Buku Teks
Nilsson, James William, author
Addison-Wesley, 1986
Buku Teks
Nilsson, James William, author
Addison-Wesley, 1986
Buku Teks
Riches, B.E.
ESM, 1989
Buku Teks