Brink, Raymond
D. Appleton-Century Co., 1940
Buku Teks
Barnett, Raymond A., author
McGraw-Hill, 2001
Buku Teks
White, Paul A., author
Dickenson, 1968
Buku Teks
Beckenbach, Edwin F., author
Wadsworth, 1968
Buku Teks
Vance, Elbridge P., author
Addison-Wesley, 1962
Buku Teks