Sommerlad, E.Lloyd, author
University Press, 1966
Buku Teks
Krieghbaum, Hillier, author
Thomas Y. Crowell, 1972
Buku Teks
Emery, Edwin, editor
Prentice-Hall, 1962
Buku Teks
Editor by Ralph D. Casey
Louisiana State University, 1963
Buku Teks
Minaturr, Joseph, author
Martinus Nijhoff, 1961
Buku Teks