edited by Milton Abramowitz, Irene A. Stegun
U.S. Government Printing Office, 1967
Buku Referensi
Luke, Yudell L.
Academic Press, 1977
Buku Teks
Johnson, David E.
Ronald Press, 1965
Buku Teks
Thompson, William J.
Wiley , 1997
Multimedia
editors, Mariano Giaquinta, Giuseppe Modica
Springer, 2012
eBooks