Geovanie, Jeffrie
Gramedia Pustaka Utama, 2013
Buku Teks SO
Meier, August
N.Y. Oxford University Press 1973, 1973
Buku Teks
Abraham, Henry J.
Oxford University Press, 1988
Buku Teks
Murakawa, Naomi
Oxford University Press, 2014
Buku Teks
James, Fleming
Little, Brown, 1977
Buku Teks