Singh, Jagjit, author
Dover, 1966
Buku Teks
Duff, Alistair S., author
Routledge, 2012
Buku Teks
edited by Diane H. Sonnenwald
Universityy of Texas Press, 2016
Buku Teks
Cover, Thomas M., author
Wiley, 2006
Buku Teks
Gleick, James., author
Vintage Books , 2012
Buku Teks