Montagu, Mary Wortley, author
Knopf, 1992
Buku Teks
Lamb, Charles W., author
J.M. Detn and Sons, 1950
Buku Teks
Macmillan, 1990
Buku Teks
Hubbard, L. Ron, 1911-1986, author
Bridge Publications, Inc., 2012
Buku Referensi
Hubbard, L. Ron, 1911-1986, author
Bridge Publications, Inc., 2012
Buku Referensi