Marsh, S.B., author
McGraw-Hill, 1992
Buku Teks
Donnell, John D., author
Richard D. Irwin, 1983
Buku Teks
Hames, Joanne Banker, author
Prentice-Hall, 1998
Buku Teks
Hurst, James Willard, author
Little, Brown, 1950
Buku Teks
Houghteling, James L., author
Harcourt, Brace & Word, 1968
Buku Teks