Curtis, William J.R., author
Prentice-Hall, 1996
Buku Teks
Brooker, Graeme, author
Laurence King, 2013
Buku Referensi
Grattan, C. Hartley
The University of Michigan Press, 1963
Buku Teks
Barck, Oscar Theodore, Jr., 1902-1993, author
Macmillan, 1965
Buku Teks
edited by K. Michael Hays
MIT Press, 1998
Buku Teks