Cotterell, Arthur, author
Lorenz Books, 2000
Buku Referensi
Benedict, Ruth, author
Columbia University Press, 1935
Buku Teks
Benedict, Ruth, author
Columbia University Press, 1935
Buku Teks
Larue, Gerald A.
Prentice-Hall, 1975
Buku Teks
Anton WP, author
bukuKatta, 2010
Buku Teks