Rugh, Roberts, author
Burgess, 1961
Buku Teks
Majumdar, N.N., author
Tata McGraw-Hill, 1985
Buku Teks
edited by David Sedmera, Tobias Wang
Springer, 2012
eBooks
Walker, Warren F.
Saunders College, 1980
Buku Teks
Bentley, P.J.
Cambridge University Press, 1982
Buku Teks