Munroe, Randall, author
Hougton Mifflin Harcourt, 2014
Buku Teks
Derry, Gregory N., author
Princeton University Press , 1999
Buku Teks
Reinfeld, Fred, author
Sterling Pub. Co, 1961
Buku Teks
edited by John Derrick
Springer-Verlag, 2012
eBooks
Chalmers, A.F., author
University of Green Sland Press, 1982
Buku Teks