Haslett, Simon K., author
Routledge, 2009
Buku Teks
Cambridge University Press, 2014
Buku Teks
Apel, John R., author
Academic Press, 1987
Buku Teks
Stowe, Keith S., 1943-
John Wiley & Sons, 1979
Buku Teks
Spilhaus, Athelstan
Creative Educational Society, Inc., 1967
Buku Teks