Gregory, William A., author
Anderson Publishing, 1999
Buku Teks
Reed, Edward Wilson, 1913-, author
Appleton-Century-Croffs , 1970
Buku Teks
Anthony, Robert N. (Robert Newton), 1916-2006, author
Richard D. Irwin, 1989
Buku Teks
Anthony, Robert N. (Robert Newton), 1916-2006, author
Richard D. Irwin, 1983
Buku Teks
Mintz, Steven M., author
McGraw-Hill, 1990
Buku Teks