Clough, Donald J.
Prentice-Hall, 1983
Buku Teks
Keeney, Ralph L., 1944-, joint author
John Wiley & Sons, 1976
Buku Teks
Brown, Joshua M. (Joshua Morgan), author
McGraw-Hill, 2014
Buku Teks
Paik, C. M., 1931-, author
McGraw-Hill , 1973
Buku Teks
Sanford, Edward, author
Winthrop, 1977
Buku Teks