Bauer, Laurie
Routledge, 1998
Buku Teks
Buforn, Elisa, author
Cambridge University Press, 2012
Buku Teks
Gautreau, Ronald, author
Ganeca Science Book, 1981
Buku Teks
edited by Levis D. McCullers, Richard G. Schroeder
John Wiley & Sons, 1982
Buku Teks
Elrod, Susan L., author
Erlangga, 2007
Buku Teks