Meijsing, Doeschka, author
Em. Querido's Uitgeverij B.V., 1977
Buku Teks
Baekelmans, Lode, author
Wereldbibliotheek, 1949
Buku Teks
Morison, Samuel Eliot, author
Little, Brown, 1955
Buku Teks
Sinnigen, William G.
Macmillan, 1981
Buku Teks
Hubbard, L. Ron, 1911-1986, author
Bridge Publications, Inc., 2012
Buku Referensi