Goldberg, David E., author
Erlangga, 2004
Buku Teks
O`Malley, John, author
McGraw-Hill, 2011
Buku Teks
Harrison, John B.
Alfred A. Knopf, 1969
Buku Teks
Jacobs, Melville, author
Barnes & Noble, Inc., 1948
Buku Teks
Jacobs, Melville, author
Barnes & Noble, 1874
Buku Teks