Malloy, Robin Paul
Cambridge University Press, 2004
Buku Teks
Johnson, Alvin S., author
Rineka Cipta, 2004
Buku Teks
Croce, Mariano
Springer Science, 2012
eBooks
Sawer, Geoffrey, 1910-1996, author
Clarendon Press, 1965
Buku Teks
Hall, Jerome, author
Louisiana State University Press, 1963
Buku Klasik