Hector J. Rabal, Roberto A. Braga, Jr, editor
CRC Press, Taylor & Francis Group, 2009
Buku Teks
Baldwin, Ernest, author
Cambridge University Press, 1959
Buku Teks
edited by David Cass, Karl Shell
Academic Press, 1976
Buku Teks
Cooper, Leon, author
Pergamon Press, 1981
Buku Teks
Holton, James R., author
Academic Press, 1979
Buku Teks