Bentley, P.J.
Cambridge University Press, 1982
Buku Teks
Springer-Verlag , 1984
Buku Teks
edited by David Sedmera, Tobias Wang
Springer, 2012
eBooks
editors, Norman K. Wessells, Elizabeth M. Center
William Kaufmann, 1973
Buku Teks
Rugh, Roberts
Burgess, 1961
Buku Teks