Ryan, Cornelius, author
Hamilton, 1974
Buku Teks
Lanczos, Cornelius
Toronto University of Toronto Press 1966,
Buku Teks
Brownell, Baker
Harper & Brothers publishers, 1950
Buku Teks
Brownell, Baker
Harper & Brothers Publishers , 1950
Buku Teks
Hotchkiss, George Burton, author
Macmillan, 1950
Buku Teks