Andrew, Christopher, author
Basic Books, 2001
Buku Teks
Butler, Rupert, author
PT Elex Media Komputindo, 2015
Buku Teks
Rothstein, Andrew, author
Penguin Books , 1950
Buku Teks
Riasanovsky, Nicholas V., author
Oxford University Press, 1963
Buku Teks
Garder, Michel
Frederick A. Praeger, 1966
Buku Teks