Lauer, Robert H., author
McGraw-Hill, 2014
Buku Teks
Fraine, Harold G.
Richard D. Irwin, Inc. , 1962
Buku Teks
Huebner, S. S., author
Appleton-Century Crafts, 1958
Buku Teks
Black, Kenneth, author
Prentice-Hall, 1994
Buku Teks
Miller, Jerome S.
Prentice-Hall, 1953
Buku Teks