Ghosh, Sanjib K., author
Ohio The Ohia State University, 1968
Buku Teks
Kyburg, Henry E., author
Prentice-Hall, 1969
Buku Teks
Loeve, Michel, author
D. van Nonstrand, 19763
Buku Teks
Timoshenko, S. P. (Stephen P.), author
McGraw-Hill, 1951
Buku Teks
Gould, Ronald, author
The Benjamin Cumming , 1988
Buku Teks