Chambers, Erve, author
Waveland Press, 1989
Buku Teks
Mason, Peter, author
Routledge, 1998
Buku Teks
Michael G. Grantham, editor
Routledge, 2011
Buku Teks
Wegmann, T., author
Editiones Roche, 1987
Buku Teks
Church, James C., author
McGraw-Hill, 1979
Buku Referensi