edited by Charles M. Gray
Sage, 1979
Buku Teks
Cubit, Harry T., author
McGraw-Hill, 1981
Buku Teks
Fatzinger, James A. S., author
Pearson-Prentice Hall, 2004
Buku Teks
Calder, Granville, author
Pergamon Press, 1976
Buku Teks
Nardon, J. David, author
McGraw-Hill, 1996
Buku Teks