Porter, Katherine Anne
Secker & Warburg, 1962
Koleksi Publik
Little, Brown, 1985
Buku Teks
Battle, Michael, author
Blackwell Publishing, 2006
Buku Teks
Griffin, Gabriele, author
Cambridge University Press, 2003
Buku Teks
Hubbard, L. Ron, 1911-1986, author
Bridge Publications, Inc., 2012
Buku Referensi