Noether, Gottfried E.
Hoghton Mifflin, 1976
Buku Teks
Robert, Harry V., author
McGraw-Hill, 1982
Buku Teks
Larsen, Richard J.
Prentice-Hall, 1996
Buku Teks
Runyon, Richard P., author
Ill. Richard D. Irwin , 1982
Buku Teks
Freund, John E., author
Prentice-Hall, 1980
Buku Teks