Muther, Richard
McGraw-Hill Book Company, Inc., 1955
Buku Teks
May, John
McGraw-Hill , 1983
Buku Teks
Sandler, Henry J., author
McGraw-Hill, 1987
Buku Teks
Etherington, John R.
John Wiley & Sons, 1975
Buku Teks
Etherington, John R.
Wiley Eastern, 1976
Buku Teks