Hubbard, L. Ron, 1911-1986, author
L. Ron Hubbard Library, 2009
Multimedia
Hubbard, L. Ron, 1911-1986, author
L. Ron Hubbard Library, 2009
Multimedia
Kubler-Ross, Elisabeth, author
Macmillan, 1981
Buku Teks
Lin, Yutang, author
Reynal & Hitchcock, 1938
Buku Teks
Gallup, George, author
McGraw-Hill, 1982
Buku Teks