Stewart, Jon, 1962-, and four others, author and editor
Grand Central, 2010
Buku Referensi
Press, Frank
W H Freeman , 1974
Buku Teks
Hamilton, Mark
Neo-tech books, 2000
Buku Teks
Houghton Mifflin, 1967
Buku Teks
Knapp, B.J.
George Allen and Unwin, 1982
Buku Teks